| Bacterias estreptocócicas | Streptococcie bacteria |
| Bacterias lácteas, bacterias de la leche | Bacteria of milk |
| Bajada de leche | Dropper |
| Barrera | Bail (of the cowshed) |
| Barril para mantequilla | Butter barrel |
| Base de mezcla de helado | Ice mix base |
| Batido | Whipping |
| Batido de la nata, butirización | Churning, butter making |
| Batido de leche | Milk shake |
| Batidor de crema | Cream beater |
| Bloque sin costra | Rindless block of cheese |
| Borde, parte marginal del queso | Hoop-side of cheese |
| Butirometro | Butyrometre |
| Butirometro de babcock | Babcock test bottle |