| BLACKBOY | • blackboy n. (Australia, obsolete, possibly offensive) An Aboriginal boy or servant. • blackboy n. (Australia, informal) Any plant in the genus Xanthorrhoea, native to Australia. • black␣boy n. Alternative spelling of blackboy. |
| BLOWBACK | • blowback n. (Firearms) A type of action where the pressure from the fired cartridge blows a sliding mechanism backward… • blowback n. An unintended adverse result, especially of covert political action. • blowback n. (Slang) The act of shotgunning (inhaling from a pipe etc. and exhaling into another smoker’s mouth). |
| BACKBLOCK | • backblock n. (Australia, New Zealand, usually in the plural) A residential area remote from major cities and lacking… • BACKBLOCK adj. (Australian) of the backblocks, remote, sparsely populated country. |
| BLACKBODY | • blackbody n. (Physics) a theoretical body, approximated by a hole in a hollow black sphere, that absorbs all incident… • black␣body n. (Physics) Alternative form of blackbody. • black␣body n. Used other than figuratively or idiomatically: see black, body. |
| BLACKBOYS | • blackboys n. Plural of blackboy. • black␣boys n. Plural of black boy. • BLACKBOY n. an Australian grass tree, aka yacca. |
| BLOCKABLE | • blockable adj. Able to be blocked. • BLOCKABLE adj. that can be blocked. |
| BLOWBACKS | • blowbacks n. Plural of blowback. • BLOWBACK n. an escape of gases. |
| BONEBLACK | • boneblack n. Alternative form of bone black. • bone␣black n. A preparation containing carbonized bone, used as a pigment and a filtering medium. • BONEBLACK n. black residue from the destructive distillation of bones. |
| BOOTBLACK | • bootblack n. (Dated) A shoeshine boy; a person who shines shoes as an occupation. • bootblack v. (Transitive) To shine shoes. • boot-black n. Alternative spelling of bootblack. |
| BACKBLOCKS | • backblocks n. Plural of backblock. • back␣blocks n. (Slang) Remote countryside. • BACKBLOCKS n. (Australian) remote, sparsely populated country. |
| BLACKBOARD | • blackboard n. A large flat surface, finished with black slate or a similar material, that can be written upon with… • blackboard v. To use a blackboard to assist in an informal discussion. • BLACKBOARD n. a hard smooth usually dark surface used esp. in a classroom for writing or drawing on with chalk. |
| BLOCKBOARD | • blockboard n. A compound wood board consisting of nearly square strips of softwood placed side by side and sandwiched… • BLOCKBOARD n. plywood board made of veneer enclosing thin strips of wood. |
| BONEBLACKS | • boneblacks n. Plural of boneblack. • BONEBLACK n. black residue from the destructive distillation of bones. |
| BOOTBLACKS | • bootblacks n. Plural of bootblack. • boot-blacks n. Plural of boot-black. • BOOTBLACK n. a person whose job is to clean and polish shoes. |
| BACKBLOCKER | • BACKBLOCKER n. one who lives in the backblocks. |
| BLACKBOARDS | • blackboards n. Plural of blackboard. • blackboards v. Third-person singular simple present indicative form of blackboard. • BLACKBOARD n. a hard smooth usually dark surface used esp. in a classroom for writing or drawing on with chalk. |
| BLACKBODIES | • blackbodies n. Plural of blackbody. • black␣bodies n. Plural of black body. • BLACKBODY n. a body absorbing all incident radiation. |
| BLOCKBOARDS | • blockboards n. Plural of blockboard. • BLOCKBOARD n. plywood board made of veneer enclosing thin strips of wood. |
| BACKBLOCKERS | • BACKBLOCKER n. one who lives in the backblocks. |
| BACKBONELESS | • backboneless adj. Without a backbone; invertebrate. • backboneless adj. Cowardly, spineless. • BACKBONELESS adj. without a backbone. |