| ANATROPOUS | • anatropous adj. (Botany, of an ovule) Having an inverted nucleus, whose apex points to the base. • ANATROPOUS adj. of an ovule, inverted so that the micropyle is next to the stalk. |
| APOTROPOUS | • APOTROPOUS adj. anatropous with a ventral raphe. |
| AUTOPILOTS | • autopilots n. Plural of autopilot. • AUTOPILOT n. a device which can be set to guide and control an aircraft or a ship on a chosen course. |
| AUTOPOINTS | • AUTOPOINT n. a point-to-point over rough country in motor vehicles. |
| AUTOSCOPIC | • autoscopic adj. Relating to autoscopy. • AUTOSCOPIC adj. relating to autoscopy, hallucination of an image of one's body. |
| AUTOSPORES | • autospores n. Plural of autospore. • AUTOSPORE n. a nonmotile algal spore. |
| AUTOSPORTS | • autosports n. Plural of autosport. • AUTOSPORT n. the sport of motor-racing. |
| AUTOTROPHS | • autotrophs n. Plural of autotroph. • AUTOTROPH n. an organism that is able to manufacture its own food from inorganic substances. |
| AUXOTROPHS | • auxotrophs n. Plural of auxotroph. • AUXOTROPH n. an auxotrophic strain or individual, i.e. one requiring a specific growth substance beyond the minimum required for normal metabolism. |
| LIPOMATOUS | • lipomatous adj. Relating to a lipoma. • LIPOMATOUS adj. of or like a lipoma. |
| OUTGALLOPS | • outgallops v. Third-person singular simple present indicative form of outgallop. • OUTGALLOP v. to surpass at galloping. |
| OUTPASSION | • outpassion v. (Transitive, rare) To be more passionate than; to surpass in passion. • OUTPASSION v. to exceed in passion. |
| POSTOCULAR | • postocular adj. Situated behind the eyes. • postocular n. Any of the scales lying directly behind and in contact with the eye of a reptile. • POSTOCULAR n. a scale situated behind the eye of some lizards. |
| POSTULATOR | • postulator n. A person who postulates something as the basis of an argument. • postulator n. A Roman Catholic official who makes the case for the beatification or canonization of a proposed saint. • POSTULATOR n. an official who presents case for canonization or beatification. |
| POTATOBUGS | • potato␣bugs n. Plural of potato bug. • POTATOBUG n. the Colorado beetle. |
| POUTASSOUS | • POUTASSOU n. a gadoid fish, aka blue whiting. |
| PUFTALOONS | • puftaloons n. Plural of puftaloon. • PUFTALOON n. (Australian) a type of fried cake, eaten hot with jam, honey or sugar, also PUFFTALOONAS, PUFTALOONIES. |
| TOPHACEOUS | • tophaceous adj. Gritty; sandy; rough; stony. • tophaceous adj. Relating to tophus. • TOPHACEOUS adj. gritty. |
| TROPOPAUSE | • tropopause n. The zone of transition between the troposphere and the stratosphere (approximately 13 kilometers). The… • TROPOPAUSE n. the level of the atmosphere where the troposphere ends and stratosphere begins. |