| English | Spanish |
| B2B integration | Integración B2B (The exchange of electronic documents between two companies, for example, for the purpose of trading) |
| B2B site | sitio B2B (A Web site designed for the creation and transmission of purchase orders between businesses that have an established relationship) |
| B2C site | sitio B2C (A Web site that provides retail shopping directly to the public) |
| B-frame | fotograma B (In MPEG and WMV encoding, a frame that contains only the differences from the frame preceding it and the frame following it) |
| b-frame | fotograma B (In MPEG and WMV encoding, a frame that contains only the differences from the frame preceding it and the frame following it) |
| b-node | nodo b (A NetBIOS implementation that uses broadcast NetBIOS name queries for name registration and resolution) |
| b-spline path | trazado B-spline (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) |
| B+ tree | árbol B (A B-tree in which data are stored in the leaves. B+ trees (B plus trees) make it possible to easily search, insert, delete and access data) |
| B-tree | árbol b (A tree structure for storing database indexes) |
| Class B IP address | dirección IP de clase B (A unicast IP address that ranges from 128.0.0.1 through 191.255.255.254. The first two octets indicate the network, and the last two octets indicate the host on the network. Class-based IP addressing has been superceded by Classless Interdomain Routing (CIDR)) |
| haemophilus influenzae type b vaccine | Vacuna contra la Haemophilus influenzae tipo b (A vaccine for immunization against serious infections caused by a type of bacteria called Haemophilus influenzae type b, such as meningitis and pneumonia) |
| hepatitis B vaccine | vacuna contra la hepatitis B (A vaccine for immunization against hepatitis B virus infection) |
