| ABROGATORS | • abrogators n. Plural of abrogator. • ABROGATOR n. one who abrogates, abolishes authoritatively or formally. |
| 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. |
| BREADROOTS | • breadroots n. Plural of breadroot. • BREADROOT n. the edible root of a leguminous plant, found near the Rocky Mountains, aka prairie turnip. |
| BRIARROOTS | • briar-roots n. Plural of briar-root. • BRIARROOT n. the root of a briar, also BRIERROOT. |
| BRONTOSAUR | • brontosaur n. Any member of the genus Brontosaurus. • BRONTOSAUR n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAURUS. |
| ELABORATOR | • elaborator n. One who, or that which, elaborates. • ELABORATOR n. one who, or that which, elaborates. |
| LABORATORY | • laboratory n. A room, building or institution equipped for scientific research, experimentation or analysis. • laboratory n. A place where chemicals, drugs or microbes are prepared or manufactured. • LABORATORY n. a place equipped for experimental study in a science or for testing and analysis, also ELABORATORY. |
| NARROWBOAT | • narrowboat n. A barge used on the narrow canals of England. |
| OBJURGATOR | • objurgator n. One who objurgates; a scolder or rebuker. • OBJURGATOR n. one who objurgates. |
| OBSERVATOR | • observator n. (Obsolete) An observer. • OBSERVATOR n. one who observes or takes notice. |
| OBTURATORS | • obturators n. Plural of obturator. • OBTURATOR n. a structure or device that closes a cavity. |
| OUTHARBORS | • outharbors n. Plural of outharbor. • OUTHARBOR n. (Canadian) in Newfoundland, any city or town having a harbor other than the main city of St . John's. |
| OUTHARBOUR | • outharbour n. (Canada) In Newfoundland and Labrador, any city, town, or village having a harbour, other than the main… |
| 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. |
| ROBORATING | • roborating v. Present participle of roborate. • ROBORATING adj. restoring vigor or strength, also ROBORANT. |
| SHORTBOARD | • shortboard n. (Surfing) A type of surfboard which is about 6 to 7 feet long (boards are always measured in feet, even… • SHORTBOARD n. a surfboard between six and eight feet in length. |
| STORYBOARD | • storyboard n. A series of drawings that lay out the sequence of scenes in a film or series, especially an animated one. • storyboard n. Any sequence of drawings or diagrams which illustrate a sequence of events, e.g. in an accident or as… • storyboard v. To create and arrange storyboard drawings. |
| TROUBADOUR | • troubadour n. An itinerant composer and performer of songs in medieval Europe; a jongleur or travelling minstrel. • TROUBADOUR n. (French) any of a class of poet-musicians flourishing esp. in southern France and northern Italy during the 11th, 12th, and 13th centuries. |