| BACKROOMER | Sorry, definition not available. |
| BAROCEPTOR | • baroceptor n. Baroreceptor. • BAROCEPTOR n. a sensory receptor sensitive to a pressure stimulus. |
| BIOREACTOR | • bioreactor n. (Biochemistry) A fermentation vat, containing microorganisms or biochemically active substances, used… • BIOREACTOR n. a device or apparatus in which living organisms, such as bacteria, synthesise useful substances or break down waste. |
| BOOKMARKER | • bookmarker n. A slip of paper, card, etc. used to mark one’s place in reading a book; a bookmark. • BOOKMARKER n. a marker for indicating the reader's current place, also BOOKMARK. |
| BREADROOMS | • breadrooms n. Plural of breadroom. • bread-rooms n. Plural of bread-room. • BREADROOM n. an apartment in a ship's hold where the bread is kept. |
| BREADROOTS | • breadroots n. Plural of breadroot. • BREADROOT n. the edible root of a leguminous plant, found near the Rocky Mountains, aka prairie turnip. |
| BROODMARES | • broodmares n. Plural of broodmare. • brood␣mares n. Plural of brood mare. • BROODMARE n. a mare for breeding. |
| BROOMRAPES | • broomrapes n. Plural of broomrape. • broom-rapes n. Plural of broom-rape. • broom␣rapes n. Plural of broom rape. |
| ELABORATOR | • elaborator n. One who, or that which, elaborates. • ELABORATOR n. one who, or that which, elaborates. |
| HOVERBOARD | • hoverboard n. (Chiefly science fiction) A levitating board that can be ridden in the manner of a surfboard or skateboard. • hoverboard n. A small self-balancing two-wheeled motorised vehicle, related to a scooter. • hoverboard v. (Chiefly science fiction) To travel by hoverboard. |
| MARROWBONE | • marrowbone n. A bone containing edible marrow. • marrowbone n. (Humorous, chiefly in the plural) The shins or knees, chiefly in references to kneeling. • MARROWBONE n. a bone containing marrow; in plural, the knees. |
| OBSERVATOR | • observator n. (Obsolete) An observer. • OBSERVATOR n. one who observes or takes notice. |
| OVERLABORS | • overlabors v. Third-person singular simple present indicative form of overlabor. • OVERLABOR v. to cause to labor excessively; to overwork, also OVERLABOUR. |
| OVERLABOUR | • overlabour n. Excessive labour. • overlabour v. (Transitive) To cause to labour excessively; to overwork. • overlabour v. (Transitive) To labour upon excessively; to refine unduly. |
| REPROBATOR | • reprobator n. (Scotland, law, historical) An old form of action to prove a witness to be perjured or biased. • REPROBATOR n. (Scots) in Scots law, an action to prove a witness perjured or biased. |
| SCOREBOARD | • scoreboard n. A large board that displays the score in a game or contest. • scoreboard n. (Cricket) A similar board that also displays each batsman’s score, and many statistics and pieces of information. • scoreboard n. (By extension) A listing of various similar entities along with their properties, such as status or rank. |
| SEBORRHOEA | • seborrhoea n. Alternative form of seborrhea. • seborrhœa n. Archaic form of seborrhea. • SEBORRHOEA n. a morbidly increased discharge of sebaceous matter upon the skin, also SEBORRHEA. |