| Subject | English | Spanish |
| fin. | a person who will also stand as guarantor for the principal | una persona que se preste igualmente como garante del principal obligado |
| real.est. | additional principal payment | pago adicional del principal |
| fin. | additional principal payment | pago adicional (hacia el capital) |
| crim.law. | College of Principal Public Prosecutors | Colegio de fiscales generales |
| econ. | companies or firms having their principal place of business within the Community | las sociedades cuyo centro de actividad principal se encuentre dentro de la Comunidad |
| cultur., life.sc. | conjugate principal point | punto principal conjugado |
| UN | consistent with the purposes and principals of the un | compatibles con los propósitos y principios de la ONU |
| gen. | Convention concerning Statistics of Wages and Hours of Work in the Principal Mining and Manufacturing Industries, Including Building and Construction, and in Agriculture | Convenio sobre estadísticas de salarios y horas de trabajo |
| gen. | Convention concerning Statistics of Wages and Hours of Work in the Principal Mining and Manufacturing Industries, Including Building and Construction, and in Agriculture | Convenio relativo a las estadísticas de salarios y horas de trabajo, en las industrias principales mineras y manufactureras, en la edificación y la construcción y en la agricultura |
| fin. | deal in investments as a principal | negociación de inversiones como principal |
| law, fin. | dealing as principal | negociación en calidad de comitente |
| IMF. | debt principal | principal |
| IMF. | debt principal | capital de la deuda |
| fin. | deferred principal | capital diferido |
| fin. | deferred principal balance | saldo de capital diferido |
| gen. | detect the principal points of | detectar los puntos principales |
| fin. | equal principal repayment system | sistema de amortización del principal en cuotas iguales |
| fin. | Guaranteed Recovery of Investment Principal Program, GRIP | Programa derecuperación, garantizada del principal de las inversiones GRIP |
| interntl.trade. | to have a principal supplying interest | tener interés como abastecedor principal |
| gen. | his principal activity | su actividad principal |
| life.sc. | intermediate principal stress | tensión principal media |
| ed. | loan principal | capital del préstamo |
| mater.sc., met. | major principal stress deviator | desviador principal de la tensión |
| econ., fin. | matched principal broking | operación de intermediación por cuenta propia compensada |
| econ., fin. | matched principal trading | operación de intermediación por cuenta propia compensada |
| econ., fin. | matched principal transaction | operación de intermediación por cuenta propia compensada |
| fin. | notional principal amount | importe del principal nocional,teórico |
| fin. | notional principal amount | importe teórico del principal |
| fin. | notional principal amount | principal teórico |
| gen. | notional principal amount | total de los principales imputados a los contratos |
| real.est. | original principal balance | saldo original del principal |
| fin. | original principal balance | monto original del balance |
| real.est. | outstanding principal balance | saldo del principal pendiente |
| fin. | outstanding principal balance | monto del balance |
| fin. | outstanding principal balance | saldo del capital pendiente |
| fin. | payment of principal | pago del principal |
| fin. | principal activity | negocio principal |
| account. | principal activity | actividad principal |
| met. | Principal Administrative Assistant | Asistente principal |
| gen. | Principal Administrative Officer | director de sección |
| gov. | principal administrator | administrador principal |
| gen. | Principal Administrator | Administrador principal |
| IMF. | principal-agent problem | problema principal-agente |
| earth.sc., life.sc. | principal agricultural meteorological station | estación Meteorológica agrícola principal |
| law | principal aim of the measure | criterio del objetivo principal del acto |
| meteorol. | principal air pollutants | contaminantes atmosféricos principales |
| fin. | principal amount | principal |
| fin. | principal amount | importe del principal |
| fin. | principal amounts underlying the contracts | importe del principal nocional,teórico |
| gen. | principal amounts underlying the contracts | total de los principales imputados a los contratos |
| law, fin. | principal and interest | capital e intereses |
| law, fin. | principal and interest | capital intereses |
| real.est. | principal and interest P&I | principal e interés (P&I, por sus siglas en inglés) |
| fin. | Principal and interest | Capital e interés (P&I, por sus siglas en inglés) |
| law, fin. | principal and interest | principal e intereses |
| environ., chem. | principal anion | anión dominante |
| el. | principal arm | brazo principal |
| transp. | principal arterial | arteria principal |
| law | principal assets | bienes de capital |
| gov. | principal audit officer | auditor principal |
| account. | principal auditor | auditor principal |
| fin. | principal authorising officer | ordenador principal |
| earth.sc. | principal axes | ejes principales |
| el., acoust. | principal axis | eje de referencia |
| med. | principal axis | eje visual |
| earth.sc. | principal axis | eje principal |
| med. | principal axis | eje óptico |
| transp., tech. | principal axis of compliance | eje principal de inercia |
| ed. | principal balance | saldo de capital |
| fin. | principal balance | saldo principal |
| transp., construct. | principal beam | viga principal |
| earth.sc. | principal body axes | ejes principales de un cuerpo |
| law, social.sc. | principal breadwinner | sustentador principal del hogar |
| law, social.sc. | principal breadwinner | principal sostén económico de la familia |
| econ. | principal capital | capital básico |
| el.tract. | principal carrier | portador principal |
| el.tract. | principal carrier | cable portador principal |
| environ., chem. | principal cation | catión dominante |
| environ., chem. | principal cation | catión principal |
| med. | principal cell | célula principal |
| med. | principal cell | célula péptica |
| med. | principal cell | célula adelomorfa |
| med. | principal cells | células principales |
| semicond. | principal voltage-current characteristic | característica corriente-tensión principal |
| fin., commun. | principal charge | tasa principal |
| polit., law | principal claim | demanda principal |
| patents. | principal classification | clasificación principal |
| lab.law. | Principal Clerical Officer | Oficial principal |
| life.sc. | principal climatological station | estación climatológica principal |
| meas.inst. | principal clock | reloj principal |
| meteorol. | principal component | componentes principales |
| agric. | principal component | componente principal |
| pharma. | Principal component analysis | Análisis de componentes principales |
| meteorol. | principal component imagery | imágenes de componentes principales |
| math. | principal components | componentes principales |
| stat. | principal components regression | regresión de los componentes principales |
| life.sc. | principal constituent | componente principal |
| law | principal contract | contrato principal |
| insur., R&D. | principal contractor | contratante principal |
| math. | principal coordinates analysis | análisis de los coordenadas principales |
| patents. | principal count | punto principal de acusación |
| patents. | principal count | capítulo de acusación |
| patents. | principal count of indictment | punto principal de acusación |
| patents. | principal count of indictment | capítulo de acusación |
| patents. | principal criterion of the invention | criterio principal de la invención |
| agric. | principal crop | aprovechamiento final |
| agric. | principal crop | masa principal |
| agric. | principal crop | aprovechamiento principal |
| el. | principal current | corriente principal |
| industr., construct., met. | principal curvature | curvatura principal |
| agric., industr., construct. | principal cutting direction | dirección principal del corte |
| met. | principal cutting movement | movimiento principal de corte |
| comp., MS | principal database | base de datos principal (In database mirroring, a read-write database whose transaction log is continuously sent to the mirror server, which restores the log to the mirror database) |
| bank. | principal debtor | deudor principal |
| scient., life.sc. | principal diagonal | diagonal principal |
| transp. | principal direction of stress | dirección principal |
| life.sc. | principal directions of distortion | direcciones principales de una alteración |
| IT | principal display | visualización principal |
| IT | principal display | presentación principal |
| rem.sens. | principal distance | distancia principal |
| mil. | principal duty | servicio principal |
| mil. | principal duty | función principal |
| fin., social.sc. | principal earner | principal sostén económico |
| gov. | principal economist | economista principal |
| tech. | principal espionage agent | agente principal de espionaje |
| law, tax. | principal establishment | establecimiento principal |
| stat. | Principal European Economic Indicators | principales indicadores económicos europeos |
| stat. | Principal European Economic Indicators | PIEE |
| agric. | principal felling | corta de pies cortables |
| med. | principal fibers | fibras cilioecuatoriales |
| gov. | principal financial officer | gestor financiero principal |
| earth.sc., mech.eng. | principal flow | flujo principal |
| agric. | principal forage area | superficie forrajera principal |
| agric. | principal forage area | principal superficie forrajera |
| gen. | principal forage species density | porcentaje de la composición forrajera |
| gen. | principal forage species density | densidad de las principales especies forrajeras |
| fin. | principal forbearance | aplazamiento |
| fin. | principal forbearance | prórroga del principal |
| law | principal forbearance mortgage-related | indulgencia en cuanto al capital |
| fin. | principal forgiveness | condonación del principal |
| commun. | principal frequency | frecuencia fundamental |
| life.sc. | principal front | frente principal |
| IMF. | Principal Global Indicators | iniciativa del G-20 sobre principales indicadores mundiales |
| patents. | principal head | capítulo |
| nucl.phys. | principal heat sink | sumidero principal de calor |
| meteorol. | principal hydrometric station | estación hidrométrica principal |
| law | principal in the second degree | autor por persona interpuesta |
| law, social.sc. | principal income earner | sustentador principal del hogar |
| IMF. | principal income earner | principal sostén económico (de la familia) |
| law, social.sc. | principal income earner | principal sostén económico de la familia |
| earth.sc. | principal inertial axis | eje principal de inercia |
| fin. | Principal, interest, taxes, and insurance | Principal, Interés, Impuestos y Seguro (PITI, por sus siglas en inglés) |
| fin. | principal, interest, taxes and insurance | Capital, Interés, Impuestos y Seguro PITI, por sus siglas en inglés. |
| fin. | Principal, interest, taxes, insurance, and association dues | Capital, Interés, Impuestos, Seguro y Cargos de la asociación de propietarios de viviendas (PITIA, por sus siglas) |
| fin. | principal, interest, taxes, insurance, association dues | Capital, Interés, Impuestos, Seguro y Cargos de la asociación de propietarios de viviendas (PITIA, pos sus siglas en inglés) |
| gov. | principal interpreter | intérprete principal |
| patents. | principal item | capítulo |
| UN | principal judicial organ | órgano principal judicial |
| earth.sc. | principal land station | estación terrestre principal |
| geogr. | principal language | lengua principal |
| gov. | principal lawyer | jurista principal |
| gov., law | principal legal adviser | Consejero Jurídico Principal |
| gov., law | principal legal adviser | consejero jurídico principal |
| UN, account. | Principal level | categoría principal |
| UN, account. | principal level GS | categoría principal |
| rem.sens. | principal line | línea principal |
| earth.sc., construct. | principal loads | cargas principales |
| med. | principal meal | comida principal |
| econ. | principal means | capital básico |
| gov. | principal medical officer | médico-asesor principal |
| law, market. | principal method of formation | modo de constitución principal |
| el. | principal mode | modo transversal electromagnético |
| el. | principal mode | modo TEM |
| mech.eng. | principal motion | movimiento principal |
| mech.eng. | principal movement | movimiento principal |
| life.sc. | principal network of heights | red principal de altitud |
| life.sc. | principal network of heights | red de nivelación principal |
| market., fin. | principal of an export credit | principal de un crédito a la exportación |
| fin. | principal of an organiser of a sale by public auction | comitente de un organizador de ventas en subasta pública |
| stat. | principal of maximum entropy | principio de entropía maxima |
| gen. | principal office | cabecera de distrito |
| gen. | principal office | oficina de enlace |
| commun. | principal office | oficina cabecera de zona |
| gen. | principal office | oficina principal |
| IMF. | principal office of the Fund | sede del FMI |
| polit. | Principal Officer for Armaments Cooperation | Oficial Principal de la Cooperación en materia de armamento |
| polit. | Principal Officer for Armaments Policy | Oficial Principal para la Política de Armamento |
| polit. | Principal Officer for Defence Industry | Oficial Principal de Industria de la Defensa |
| polit. | Principal Officer for Defence Market | Oficial Principal de Mercado de la Defensa |
| fin. | principal on currency swaps | principal de swaps de divisas |
| lab.law. | principal operational unit | gran unidad operativa |
| UN | principal organ | órgano principal |
| UN | principal organs | órganos principales |
| rem.sens. | principal parallel | paralela principal |
| law | principal penalty | pena principal |
| law, fin., busin. | principal place of business | centro de actividad principal |
| transp., avia. | principal place of business | oficina principal |
| law, tax. | principal place of business | establecimiento principal |
| busin. | principal place of business | principal centro de negocio (sankozh) |
| med. | principal plane | plano principal |
| cultur., life.sc. | principal point | punto principal |
| rem.sens. | principal point method | método del punto principal |
| rem.sens. | principal point radial | punto radial principal |
| health. | principal point refraction | índice de refracción axial |
| earth.sc. | principal points | eje óptico |
| earth.sc., life.sc. | principal points of a lens | puntos principales de una lente |
| fin. | principal position account | cuenta de posiciones por cuenta propia |
| earth.sc. | principal quantum number | número cuántico principal |
| earth.sc., life.sc. | principal ray | rayo principal |
| med. | principal reaction | reacción principal |
| ed. | principal rebate | devolución de una porción del capital |
| law | principal reduction mortgage-related | reducción del capital |
| fin., IT | principal reference number | número de referencia de la parte principal |
| gov. | principal researcher | investigador principal |
| IMF. | principal reserve asset | principal activo de reserva |
| fin. | principal reserve asset | activo de reserva principal |
| real.est. | principal residence | residencia principal principal |
| fin. | principal residence | residencia principal |
| econ. | principal resources | recursos principales |
| econ. | principal resources,apart from those derived from occasional sales | recursos principales, distintos de los derivados de ventas ocasionales |
| tech. | principal restraint | limitación principal |
| fin., econ. | principal risk | riesgo de capital |
| fin., econ. | principal risk | riesgo de principal |
| mech.eng. | principal rotating motion | movimiento principal circular |
| insur. | principal scheme | régimen primario |
| gov. | Principal Scientific or Technical Officer | funcionario científico o técnico principal |
| gen. | Principal Scientific or Technical Officer | Funcionario científico o técnico principal |
| gov. | principal scientist | científico principal |
| gov. | principal secretary | secretario principal |
| gen. | Principal Secretary | Secretario principal |
| chem. | principal series of spectrum | serie principal (del espectro) |
| comp., MS | principal server | servidor principal (In database mirroring, the partner whose database is currently the principal database) |
| law, fin. | principal shareholder | accionista principal |
| law, fin. | principal shareholder | accionista dominante |
| bank. | principal shareholder | accionista mayoritario |
| law, fin. | principal shareholder | principal tenedor de las acciones |
| transp., construct. | principal sluices | compuertas principales |
| agric. | principal species | especie principal |
| agric. | principal stand | masa principal |
| law | principal State counsel | Fiscal del Tribunal de Apelación |
| law | principal State counsel | Fiscal del Tribunal de Casación de Cuentas |
| econ. | principal stockholder | accionista principal |
| mech.eng. | principal straight motion | movimiento principal rectilíneo |
| transp. | principal strain | tensión principal |
| transp., construct. | principal stress | esfuerzo principal |
| transp. | principal stress | tensión principal |
| life.sc. | principal stress | curvatura principal |
| med. | principal sublingual duct | conducto de Bartholin |
| el. | principal subsidiary lobe | primer lóbulo secundario |
| econ., fin. | principal sum | capital invertido |
| logist. | principal supply road | vía principal de abastecimiento |
| life.sc. | principal synoptic observation | observación sinóptica principal |
| el. | principal tapping | toma principal |
| law | principal term | término principal |
| gen. | principal tool | herramienta principal |
| gov. | principal translator | traductor principal |
| life.sc. | principal traverse | itinerario principal |
| med. | principal vestibular nucleus | núcleo vestibular (nucleus vestibularis medialis) |
| med. | principal vestibular nucleus | núcleo de Schwalbe (nucleus vestibularis medialis) |
| gov. | principal veterinary inspector | inspector veterinario principal |
| el. | principal voltage | tensión principal |
| el. | principal voltage-current characteristic | característica principal |
| el. | principal voltage-current characteristic | característica corriente-tensión principal |
| gen. | principal words | palabras matrices |
| gen. | principal words | palabras principales |
| transp., UN | Principal Working Party on Road Transport | Subcomité de transportes por carretera |
| agric. | principal yield | productos finales |
| agric. | principal yield | productos principales |
| UN | purposes and principals | propósitos y principios |
| gen. | Quartet Principals | máximos responsables del Cuarteto |
| market., fin. | repayment of principal | reembolso del principal |
| fin. | repayment of the principal | reembolso del principal |
| comp., MS | security principal | entidad de seguridad (In Windows-based computers, an account (such as a user, security group, device, or computer) that can be granted or denied access to resources) |
| comp., MS | security principal name | nombre de entidad de seguridad (A name that uniquely identifies a user, group, or computer within a single domain. This name is not guaranteed to be unique across domains) |
| econ. | separate trading of interest and principal | Valor segregado |
| fin. | Separate Trading of Registered Interest and Principal of Securities | segregación de principal y cupones |
| gen. | separate trading of registered interest and principal of securities | venta separada del interés y el principal de los valores |
| fin. | Separate Trading of Registered Interest and Principal of Securities Program STRIPS | Programa de venta separada del interés y el principal de los valores |
| comp., MS | server-level principal | entidad de seguridad a nivel de servidor (An account that is similar to the sa login in SQL Server. During the provisioning process, SQL Azure creates a login for you that is the server-level principal of your SQL Azure server. The SQL Azure server-level principal account has permission to manage all server-level and database-level security) |
| comp., MS | service principal | entidad de servicio (An entity that represents a service at the key distribution center (KDC). A service principal generally does not correspond to a human user of the system, but rather to an automated service providing a resource, such as a file server) |
| comp., MS | service principal name | nombre de entidad de seguridad de servicio (The name by which a client uniquely identifies an instance of a service. It is usually built from the DNS name of the host. The SPN is used in the process of mutual authentication between the client and the server hosting a particular service) |
| gen. | the Committee shall include specialised sections for the principal fields | el Comité comprenderá secciones especializadas para las principales materias |
| law | the principal debtor | deudor principal |
| gen. | The principal is always courting the math teacher | El director se la pasa requebrando a la maestra de matemáticas |
| gen. | the principal question | pregunta principal |
| fin. | total amount of a loan in principal and interest | montante global de un empréstito en principal y en intereses |
| earth.sc. | transferred principal point | transferencia del punto central |
| ed. | unpaid principal | capital pendiente (de pago) |
| ed. | unpaid principal | capital no pagado |
| ed. | unpaid principal | capital insoluto |
| fin. | Unpaid Principal Balance | Saldo principal sin pagar (UPB, por sus siglas en inglés) |
| comp., MS | user principal name | nombre principal de usuario |
| comp., MS | user principal name suffix | sufijo de nombre principal de usuario |
