| ARRHENOTOKY | • arrhenotoky n. (Biology) The production of male offspring by parthenogenesis. • ARRHENOTOKY n. giving birth only to boys. |
| ARTHROSCOPE | • arthroscope n. (Medicine) A form of endoscope used in arthroscopy. • ARTHROSCOPE n. an instrument for examining the interior of a joint. |
| ARTHROSPORE | • arthrospore n. A sporelike cell produced by some fungi and algae. • arthrospore n. A similar cell produced by some bacteria. • ARTHROSPORE n. another name for an oidium. |
| CRAPSHOOTER | • crapshooter n. A person who plays the game of craps. • CRAPSHOOTER n. one who plays craps. |
| DEHORTATORY | • dehortatory adj. Fitted or designed to dehort or dissuade. • DEHORTATORY adj. dissuasive, also DEHORTATIVE. |
| ERGATOMORPH | • ERGATOMORPH n. an ergatoid ant. |
| EXHORTATORY | • exhortatory adj. Serving to exhort. • EXHORTATORY adj. using exhortation. |
| HETEROPOLAR | • heteropolar adj. Of an electric generator that produces alternating current. • heteropolar adj. (Chemistry) Formed by ions of opposite charge. • HETEROPOLAR adj. polar, in the chemical sense. |
| MOTHERBOARD | • motherboard n. (Computer hardware) The primary circuit board of a personal computer, containing the circuitry for the… • MOTHERBOARD n. the board containing the main circuits of an electronic device, especially in computers. |
| ORTHOBORATE | • orthoborate n. (Inorganic chemistry) Any anion derived from orthoboric acid; any salt containing this anion. • ORTHOBORATE n. a salt of orthoboric acid. |
| ORTHOPRAXES | • ORTHOPRAXIS n. correct practice in religion. |
| ORTHOPTERAN | • orthopteran n. (Zoology) Any of many insects of the order Orthoptera. • ORTHOPTERAN n. any member of the Orthoptera, an order of mandibulate insects, also ORTHOPTERON. |
| ORTHOREXIAS | • ORTHOREXIA n. an eating disorder characterized by excessive focus on eating healthy foods. |
| PROTHORACES | • prothoraces n. Plural of prothorax. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| PROTHORAXES | • prothoraxes n. Plural of prothorax. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| ROTOGRAPHED | • rotographed v. Simple past tense and past participle of rotograph. • ROTOGRAPH v. to make a photograph by laying negative on sensitive paper. |
| TOPOGRAPHER | • topographer n. A person who studies or records topography. • TOPOGRAPHER n. a specialist in topography. |
| TRAPSHOOTER | • trapshooter n. A participant in the sport of trapshooting. • TRAPSHOOTER n. a person who engages in trapshooting. |
| UROCHORDATE | • urochordate n. (Zoology) Any marine invertebrate of the subphylum Urochordata; the sea squirts. • UROCHORDATE n. a member of the Urochordata, tunicates. |