| AUTOMATON | • automaton n. A machine or robot designed to follow a precise sequence of instructions. • automaton n. A person who acts like a machine or robot, often defined as having a monotonous lifestyle and lacking in emotion. • automaton n. A formal system, such as a finite-state machine or cellular automaton. |
| AUTOPILOT | • autopilot n. (Aviation, nautical) A mechanical, electrical, or hydraulic system used to guide a vehicle without assistance… • autopilot n. (By extension, figuratively) A state of mind where one no longer thinks about doing one’s actions, but… • autopilot v. (Intransitive, of a vehicle) To pilot itself; to drive or travel automatically. |
| AUTOPOINT | • AUTOPOINT n. a point-to-point over rough country in motor vehicles. |
| AUTOROUTE | • autoroute n. (In Quebec) An expressway, freeway, motorway or highway. • autoroute n. An expressway in any Francophone country. • AUTOROUTE n. a Continental motorway. |
| AUTOSPORT | • autosport n. Motorsport. • AUTOSPORT n. the sport of motor-racing. |
| AUTOTOMIC | • autotomic adj. Relating to autotomy. • AUTOTOMIC adj. relating to autotomy, the reflex loss of part of the body to save the whole. |
| AUTOTOXIC | • autotoxic adj. Toxic to itself; having the nature of an autotoxin. • AUTOTOXIC adj. like an autotoxin, a poisonous substance formed within the body within which it acts. |
| AUTOTOXIN | • autotoxin n. Any substance that is toxic to the organism in which it is generated. • AUTOTOXIN n. a poisonous substance formed within the body within which it acts. |
| AUTOTROPH | • autotroph n. (Ecology) Any organism that can synthesize its food from inorganic substances, using heat or light as… • AUTOTROPH n. an organism that is able to manufacture its own food from inorganic substances. |
| FOOTFAULT | • footfault v. (Tennis, intransitive) To commit a foot fault. • foot␣fault n. (Sports) In certain sports, as in tennis or long jump, a fault in which the athlete’s foot is in the… • FOOTFAULT v. to commit a serving fault at tennis. |
| OBTURATOR | • obturator n. (Surgery) An object used to obstruct a hole, such as a fissure of the palate. • obturator n. (Anatomy) The membrane vessels, etc. that close the obturator foramen, or thyroid foramen, a large opening… • obturator n. (Engineering) A valve closure member (Disk, gate, plug, etc.). |
| OUTBOASTS | • outboasts v. Third-person singular simple present indicative form of outboast. • OUTBOAST v. to surpass in boasting. |
| OUTERCOAT | • outercoat n. A topcoat or overcoat. • OUTERCOAT n. a coat. |
| OUTFLOATS | • outfloats v. Third-person singular simple present indicative form of outfloat. • OUTFLOAT v. to float longer than. |
| POTATOBUG | • potato␣bug n. The Jerusalem cricket, various insects of the genus Stenopelmatus. • potato␣bug n. The woodlouse, various terrestrial crustaceans of suborder Oniscidea. • potato␣bug n. Any of various insects that feed on or harm potato plants. |
| QUOTATION | • quotation n. A fragment of a human expression that is repeated by somebody else, for example from literature or a famous speech. • quotation n. A price that has been quoted for buying or selling. • quotation n. The act of setting a price. |
| STOMATOUS | • stomatous adj. Having a stoma. • STOMATOUS adj. pertaining to a stoma, one of the minute apertures between the cells in many serous membranes, also STOMATAL. |
| TAUTOLOGY | • tautology n. (Uncountable) Redundant use of words, a pleonasm, an unnecessary and tedious repetition. • tautology n. (Countable) An expression that features tautology. • tautology n. (Countable, logic, propositional logic) A statement that is true for all truth values of its propositional variables. |