| Subject | Spanish | English |
| med. | B.C.G. | Calmette-Guérin bacillus |
| cinema | B/N | B & W |
| cinema | B/N | black and white |
| law, social.sc. | B.N.D.D. | Bureau of Narcotics and Dangerous Drugs |
| chem. | B4O7Mn | manganese tetraborate |
| chem. | B4O7Mn | MnB4O7 |
| comp., MS | B-spline | Bezier spline (A spline defined by four points: a start point, two control points that influence the curves, and an endpoint) |
| chem. | bromhidrato del intermediario B de la petidina | pethidine intermediate B hydrobromide |
| health., anim.husb. | brucelosis ovina y caprina por B. melitensis | ovine brucellosis |
| earth.sc. | campo B mínimo | minimum-mean-B field |
| earth.sc. | campo B mínimo | minimum-average-B field |
| earth.sc. | campo B mínimo | minimum on the average B field |
| earth.sc. | campo B mínimo | minimum B field |
| earth.sc. | campo B mínimo en promedio | minimum on the average B field |
| earth.sc. | campo B mínimo en promedio | minimum-average-B field |
| earth.sc. | campo B mínimo en promedio | minimum-mean-B field |
| earth.sc. | campo B mínimo en promedio | minimum B field |
| transp. | categoría III B de actuación operacional | operational performance category III B |
| magn. | ciclo B H de saturación | saturation B H loop |
| magn. | ciclo B H incremental | incremental B H loop |
| magn. | ciclo B H normal | normal B H loop |
| earth.sc., el. | ciclo de histéresis B-H | hysteresis B-H loop |
| earth.sc., el. | ciclo de histéresis B-H con campo estático superpuesto | incremental hysteresis B-H loop |
| earth.sc., el. | ciclo de histéresis B-H con saturación | saturation hysteresis B-H loop |
| earth.sc., el. | ciclo de histéresis B-H normal | normal hysteresis B-H loop |
| earth.sc., el. | ciclo dinámico B-H | dynamic B-H loop |
| earth.sc., el. | ciclo estático B-H | static B-H loop |
| chem. | clorhidrato del intermediario B de la petidina | pethidine intermediate B hydrochloride |
| org.name. | Comité de Examen del Premio B.R. Sen | B.R. Sen Award Review Committee |
| health., nat.sc. | Comité de gestión COST B1 - criterios de selección de voluntarios sanos y/o enfermos para las fases I y II de experimentación de nuevos medicamentos | Management Committee COST B1 - Criteria for the Choice and Definition of Healthy Volunteers and/or Patients for Phase I and II Studies in Drug Development |
| health., IT, el. | Comité de gestión COST B2 - programas informáticos en medicina nuclear | Management Committee COST B2 - Nuclear Medicine Software |
| el. | configuración de b mínimo | minimum-B configuration |
| earth.sc. | configuración de B mínimo medio | minimum-average-B configuration |
| earth.sc. | configuración de B mínimo medio | minimum-mean-B configuration |
| earth.sc. | configuración de B mínimo medio | minimum-B configuration on the average |
| earth.sc. | configuración de campo B mínimo | non zero minimum B field configuration |
| el. | configuración de campo b mínimo | minimum-B configuration |
| earth.sc. | configuración de campo B mínimo | minimum B configuration |
| tech. | curva de B-H | B-H curve |
| commun., IT | código 4B/3T | 4B/3T code |
| polit. | Dirección 1B - Administración del Personal | Directorate for Personnel Administration |
| polit. | Dirección 1B - Administración del Personal | Directorate 1B - Personnel Administration |
| polit. | Dirección 1B - Asuntos Sociales, Energía, Investigación y Telecomunicaciones | Directorate for Social Affairs, Energy, Research and Telecommunications |
| polit. | Dirección 1B - Asuntos Sociales, Energía, Investigación y Telecomunicaciones | Directorate 1B - Social Affairs, Energy, Research, Telecom |
| polit. | Dirección 2B - Edificios y Logística | Directorate for Buildings and Logistics |
| polit. | Dirección 2B - Edificios y Logística | Directorate 2B - Buildings/Logistics |
| polit. | Dirección General B - Agricultura, Pesca, Asuntos Sociales y Sanidad | Directorate-General B - Agriculture and Fisheries |
| polit. | Dirección General B - Agricultura, Pesca, Asuntos Sociales y Sanidad | Directorate-General for Agriculture and Fisheries |
| polit. | Dirección General B - Agricultura, Pesca, Asuntos Sociales y Sanidad | Directorate-General B - Agriculture, Fisheries, Social Affairs and Health |
| obs., polit. | Dirección General B - Agricultura y Pesca | Directorate-General B - Agriculture and Fisheries |
| obs., polit. | Dirección General B - Agricultura y Pesca | Directorate-General for Agriculture and Fisheries |
| obs., polit. | Dirección General B - Agricultura y Pesca | Directorate-General B - Agriculture, Fisheries, Social Affairs and Health |
| stat., scient. | distribución B de Fisher | Fisher's B distribution |
| math. | distribución B de Fisher | Fisher's B-distribution |
| IMF. | División A, B, C, ... | Division A, B, C, ... |
| health., anim.husb., food.ind. | E 450 b i | E 451 i |
| health., anim.husb., food.ind. | E 450 b i | pentasodium triphosphate |
| gen. | E 450 b i | E 451 b i |
| engl. | E 450 b ii | E 450 b ii |
| engl. | E 450 b ii | pentapotassium triphosphate |
| engl. | E 450 b ii | E 451 ii |
| chem. | E450b ii | E450bii |
| chem. | E450b ii | penta potassium triphosphate |
| chem. | E450b ii | E450b ii |
| environ. | efecto de la mayor radiación UV-B sobre la salud humana | health effect of increased UV-B radiation |
| commer., polit., interntl.trade. | Entendimiento relativo a la interpretación del párrafo 1 b) del artículo II del Acuerdo General sobre Aranceles Aduaneros y Comercio de 1994 | Understanding on the Interpretation of Article II:1b of the General Agreement on Tariffs and Trade 1994 |
| UN, polit. | excepciones frente al régimen de sanciones, de conformidad con lo dispuesto en los apartados a) y b) del párrafo 1 de la resolución 1452 | exceptions to the sanctions measures in accordance with paragraphs 1 a or b of resolution 1452 2002 (2002) |
| avia., transp. | f.o.b. aeropuerto | f.o.b. airport |
| med. | fracción b de la hormona gonadotropina coriónica | beta-human chorionic gonadotropin |
| med. | fracción b de la hormona gonadotropina coriónica | beta-HCG |
| commun. | grupo B de funciones | feature group B |
| soil. | horizonte B argílico | argillic B horizon |
| soil. | horizonte B espódico | spodic B horizon |
| soil. | horizonte B ferrálico | ferralic B horizon |
| soil. | horizonte B óxico | oxic B horizon |
| comp., MS | Integración B2B | B2B integration (The exchange of electronic documents between two companies, for example, for the purpose of trading) |
| chem. | intermediario B de la petidina | pethidine intermediate B |
| health. | linfocito B activado | activated B lymphocyte |
| commun., tech. | línea de pruebas A/B de bucles | loop A/B test line |
| forestr. | M.B.M. | M ft b.m. (MBF (thousand feet of board), MBM) |
| forestr. | M.B.M. | thousand board feet (MBF (thousand feet of board), MBM) |
| meteorol. | malla Arakawa-Lamb B escalonada con productos escalares | Arakawa-Lamb B-staggering grid with scalar products |
| commun., IT | modo B colectivo | collective B-mode |
| gen. | Modus vivendi entre el Parlamento Europeo, el Consejo y la Comisión relativo a las medidas de ejecución de los actos adoptados según el procedimiento contemplado en el artículo 189 B del Tratado CE | Modus vivendi between the European Parliament, the Council and the Commission concerning the implementing measures for acts adopted in accordance with the procedure laid down in Article 189b of the EC Treaty |
| ed. | Parte B de IDEA | Part B of idea |
| antenn. | pentodo amplificador de b.f. y indicador de sintonía | indicator |
| org.name. | Premio B.R. Sen | B.R. Sen Award |
| transp. | punto B del ILS | ILS Point B |
| commun. | reenvío A-B-A | A-B-A remail |
| commun. | reenvío A-B-B | A-B-B remail |
| commun. | reenvío A-B-C | A-B-C remail |
| el. | señalización A/B de bits robados | A/B robbed-bit signalling |
| el. | señalización A/B de bits robados | A/B robbed-bit signaling |
| commun., el. | sistema B-Mac | b-mac |
| comp., MS | sitio B2B | B2B site (A Web site designed for the creation and transmission of purchase orders between businesses that have an established relationship) |
| comp., MS | sitio B2C | B2C site (A Web site that provides retail shopping directly to the public) |
| comp., MS | sitio B2C | business-to-consumer site (A Web site that provides retail shopping directly to the public) |
| med. | talasemia b mayor | Cooley's disease |
| med. | talasemia b mayor | Cooley's erythroblastic anemia |
| med. | talasemia b mayor | Cooley's anemia |
| med. | talasemia b mayor | Cooley's anaemia |
| knit.goods | tejido cruzado calidad B para tela de saco | sacking B-twill |
| comp., MS | trazado B-spline | b-spline path (A vector path defined by a series of points that indicate the direction the path should follow. Each node on a B-spline path can be a curve or corner control node. B-Spline paths are similar to Bezier paths, but curves are described by anchor points placed off the path itself) |
| antenn. | triodo amplificador de b.f. | A. F. triode |
| tech. | técnica de navegación que se utiliza frecuentemente con el B-52 para sobrevolar las regiones polares | grid navigation |
| polit. | Unidad 1B - Cambio Climático, Coordinación y Cuestiones Horizontales | Climate Change, Coordination and Horizontal Affairs Unit |
| polit. | Unidad 1B - Cambio Climático, Coordinación y Cuestiones Horizontales | Unit 1B - Climate Change, Coordination and Horizontal Affairs |
| polit. | Unidad 2B - Políticas Energéticas, Cuestiones Nucleares y Sociedad de la Información | Energy Policies Unit, including international aspects and atomic questions |
| polit. | Unidad 2B - Políticas Energéticas, Cuestiones Nucleares y Sociedad de la Información | Unit 2B - Energy Policies, Atomic Questions, Information Society |
| polit. | Unidad de Calidad Legislativa B - Política Estructural y de Cohesión | Legislative Quality Unit B - Structural and Cohesion Policy |
| med. | virus B japonés de la encefalitis | Japanese encephalitis virus B |
| milk. | vitaminas B y C hidrosolubles | water-soluble vitamin B and C complex |
