| ABRANCHIATE | • abranchiate adj. (Zoology) Without gills. • abranchiate n. (Zoology) An organism that does not have gills. • ABRANCHIATE adj. lacking gills, also ABRANCHIAL. |
| BATHOMETRIC | • BATHOMETRIC adj. relating to a bathometer, an instrument for measuring depths. |
| BATHYMETRIC | • bathymetric adj. Of, pertaining to, or derived from bathymetry. • BATHYMETRIC adj. relating to measurement by a bathymeter, also BATHYMETRICAL. |
| BICHROMATED | • BICHROMATED adj. relating to a salt of dichromic acid. |
| BICHROMATES | • bichromates n. Plural of bichromate. • BICHROMATE n. a salt of dichromic acid. |
| BIRDWATCHED | • birdwatched v. Simple past tense and past participle of birdwatch. • BIRDWATCH v. to watch birds as a hobby. |
| BIRDWATCHER | • birdwatcher n. (Birdwatching) A person who observes or identifies wild birds in their natural environment. • birdwatcher n. (Slang) A person who enjoys watching rocket launches. • bird␣watcher n. Alternative spelling of birdwatcher. |
| BIRDWATCHES | • birdwatches v. Third-person singular simple present indicative form of birdwatch. • BIRDWATCH v. to watch birds as a hobby. |
| BIRTHPLACES | • birthplaces n. Plural of birthplace. • BIRTHPLACE n. a place of birth or origin. |
| BLEACHERITE | • bleacherite n. (Sports, informal) One who sits in the bleachers. • BLEACHERITE n. one who sits in the bleachers, uncovered seats. |
| BLEPHARITIC | • blepharitic adj. Relating to blepharitis. • BLEPHARITIC adj. relating to blepharitis, inflammation of the eyelid. |
| BRICKEARTHS | • BRICKEARTH n. a clayey alluvium suitable for the making of bricks. |
| BUTCHERBIRD | • butcherbird n. Any of the magpie-like birds in the genus Cracticus, family Artamidae, of Australia and New Guinea. • butcherbird n. (US) Any of the shrikes in the genus Lanius. • butcherbird n. (South Africa) The fiscal shrike, Lanius collaris. |
| BUTCHERINGS | • butcherings n. Plural of butchering. • BUTCHERING n. slaughtering. |
| BUTCHERLIER | • BUTCHERLY adj. like a butcher, savage, bloody. |
| INTERBRANCH | • interbranch adj. Between branches of an institution. • INTERBRANCH adj. between branches. |
| TECTIBRANCH | • tectibranch n. (Zoology) One of the order Tectibranchiata. • TECTIBRANCH n. any member of the Tectibranchiata, molluscs including sea-slugs. |
| THERMOBARIC | • thermobaric adj. Describing various weapons that use atmospheric oxygen to produce a blast wave of a significantly longer… • thermobaric n. A thermobaric weapon. • THERMOBARIC adj. of a weapon, using a combination of heat and pressure to create a blast more powerful than that of conventional explosives. |