| ABOVEGROUND | • aboveground adj. Alternative spelling of above ground. • above-ground adj. Alternative form of aboveground. • above␣ground phr. On or above the surface of the ground. |
| BOOMERANGED | • boomeranged v. Simple past tense and past participle of boomerang. • BOOMERANG v. to return like a boomerang. |
| BRACHYODONT | • brachyodont adj. Having unusually short teeth. • BRACHYODONT adj. of mammals, such as humans, having teeth with short crowns. |
| BRANCHIOPOD | • branchiopod n. Any of the very many aquatic crustaceans of the class Branchiopoda, such as the fairy shrimps and water fleas. • BRANCHIOPOD n. any of a subclass of Crustacea with numerous flattened, leaf-shaped, lobed swimming-feet. |
| CARBONADOED | • carbonadoed v. Simple past tense and past participle of carbonado. • CARBONADO v. (Spanish) to broil on coals, also CARBONADE, CARBONNADE. |
| CARBONADOES | • carbonadoes n. Plural of carbonado. • CARBONADO v. (Spanish) to broil on coals, also CARBONADE, CARBONNADE. |
| FAUXBOURDON | • FAUXBOURDON n. (French) a type of improvised polyphony, popular in England from the 15th century to the Reformation, also FABURDEN. |
| HYDROCARBON | • hydrocarbon n. (Organic chemistry) A compound consisting only of carbon and hydrogen atoms. • HYDROCARBON n. a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal. |
| NOTICEBOARD | • noticeboard n. Alternative spelling of notice board. • notice␣board n. A board, hanging on a wall, on which notices and announcements are posted. • notice␣board n. (Internet) An online forum where users can post and read messages. |
| OBDURATIONS | • obdurations n. Plural of obduration. • OBDURATION n. a hardening of the heart. |
| OBSIDIONARY | • obsidionary adj. Obsidional; relating to a siege. • OBSIDIONARY adj. of or relating to a siege, also OBSIDIONAL. |
| ONBOARDINGS | • onboardings n. Plural of onboarding. • ONBOARDING n. the induction and assimilation of a new employee into a company or organization. |
| OVERABOUNDS | • overabounds v. Third-person singular simple present indicative form of overabound. • OVERABOUND v. to be exceedingly plenty. |
| RADIOCARBON | • radiocarbon n. A radioactive isotope of carbon, especially 146C. • RADIOCARBON n. a radioactive isotope of carbon, specifically, carbon-14. |
| ROUNDABOUTS | • roundabouts n. Plural of roundabout. • ROUNDABOUT v. to go round and round. |
| SNOWBOARDED | • snowboarded v. Simple past tense and past participle of snowboard. • SNOWBOARD v. to use a snowboard. |
| SNOWBOARDER | • snowboarder n. Someone who snowboards. • SNOWBOARDER n. one who rides on a snowboard. |
| SOUNDBOARDS | • soundboards n. Plural of soundboard. • SOUNDBOARD n. a thin resonant board (as the belly of a violin) so placed in an instrument as to reinforce its tones by sympathetic vibration. |