| BINOCULAR | • binocular adj. Using two eyes or viewpoints; especially, using two eyes or viewpoints to ascertain distance. • binocular n. Attributive form of binoculars. • binocular n. A pair of binoculars. |
| BRONCHIUM | • bronchium n. (Anatomy, usually in the plural) A bronchial tube; a subdivision of the bronchus. • BRONCHIUM n. (Latin) a small branch of the windpipe. |
| BUCKHORNS | • buckhorns n. Plural of buckhorn. • BUCKHORN n. the material of a buck's horn as used for handles etc. |
| BUCKTHORN | • buckthorn n. Any of several, often thorny shrubs or small trees, especially. • BUCKTHORN n. a shrub of the Rhamnus genus. |
| BURSICONS | • bursicons n. Plural of bursicon. • BURSICON n. a hormone produced by the insect brain that regulates processes associated with ecdysis. |
| CARBONIUM | • carbonium n. (Dated, chemistry, deprecated) Any of several organic cations; carbocation or carbenium. • CARBONIUM n. a type of positively charged organic ion. |
| CARBONOUS | • carbonous adj. Of, relating to, or containing carbon. • CARBONOUS adj. containing carbon. |
| COLUBRINE | • colubrine adj. Snakelike. • colubrine adj. Relating to snakes. • colubrine n. Any snake of the subfamily Colubrinae. |
| CONURBIAS | • conurbias n. Plural of conurbia. • CONURBIA n. conurbations considered as a class. |
| CROPBOUND | • cropbound adj. Having the crop (pouch-like part of the alimentary tract) clogged up, as by overfeeding. • CROPBOUND adj. of birds, suffering from impaction of the crop. |
| CROTONBUG | • Croton␣bug n. Blattella germanica; German cockroach. See cockroach. • CROTONBUG n. a species of cockroach. |
| CURBSTONE | • curbstone n. US spelling of kerbstone. • CURBSTONE n. a stone lining a curb, also KERBSTONE. |
| INCUBATOR | • incubator n. (Chemistry) Any apparatus used to maintain environmental conditions suitable for a reaction. • incubator n. (Medicine) An apparatus used to maintain environmental conditions suitable for a newborn baby. • incubator n. An apparatus used to maintain environmental conditions suitable for the hatching of eggs. |
| OBSCURANT | • obscurant adj. Acting or tending to confound, obfuscate, or obscure. • obscurant adj. Typical of or pertaining to obscurants; obscurantic; obscurantistic. • obscurant n. One who acts to confound or obfuscate; an obscurantist. |
| OBSCURING | • obscuring v. Present participle of obscure. • OBSCURE v. to make indistinct. |
| PRONGBUCK | • prongbuck n. (Dated) The springbok. • prongbuck n. The pronghorn. • PRONGBUCK n. the springbuck. |
| ROCKBOUND | • rockbound adj. Surrounded by rocks. • rockbound adj. (CB radio slang) Limited in frequency because of a limited supply of crystals. • ROCKBOUND adj. hemmed in by rock, rocky. |
| RUBICONED | • rubiconed v. Simple past tense and past participle of rubicon. • RUBICON v. to win at piquet in this way. |
| SUBCANTOR | • subcantor n. Synonym of succentor. • SUBCANTOR n. a subordinate cantor, a singer; esp. the leader of a church choir. |
| SUBMICRON | • submicron adj. (Physics) Smaller than micron-scale. • submicron n. A unit smaller than a micron. • SUBMICRON n. a particle visible by ultramicroscope but not by the ordinary microscope. |