| AUTHENTICATORS | • authenticators n. Plural of authenticator. • AUTHENTICATOR n. one who authenticates. |
| AUTODESTRUCTED | • autodestructed v. Simple past tense and past participle of autodestruct. • AUTODESTRUCT v. to self-destruct. |
| AUTOTETRAPLOID | • autotetraploid adj. (Genetics) tetraploid because of the doubling of an ancestral chromosome. • autotetraploid n. Such a cell or organism. • AUTOTETRAPLOID n. an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement. |
| COUNTERATTACKS | • counterattacks n. Plural of counterattack; alternative spelling of counter-attacks. • counterattacks v. Third-person singular simple present indicative form of counterattack; alternative spelling of counter-attacks. • counter-attacks n. Plural of counter-attack. |
| COUNTERSTATING | • counterstating v. Present participle of counterstate. • COUNTERSTATE v. to state in opposition. |
| COUNTERTACTICS | • countertactics n. Plural of countertactic. • COUNTERTACTIC n. an opposing tactic. |
| COUNTERTHREATS | • counterthreats n. Plural of counterthreat. • COUNTERTHREAT n. a threat made in response to another threat. |
| QUATTROCENTISM | • quattrocentism n. The art style of the quattrocentists. • QUATTROCENTISM n. the spirit of the fifteenth century in reference to Italian art and literature. |
| QUATTROCENTIST | • quattrocentist n. (Art) An artist of the 1400s, the fifteenth-century Renaissance Italian period. • QUATTROCENTIST n. an artist who flourished in the fifteenth century in reference to Italian art and literature. |
| REATTRIBUTIONS | • reattributions n. Plural of reattribution. • REATTRIBUTION n. the act of reattributing. |
| STERNUTATORIES | • sternutatories n. Plural of sternutatory. • STERNUTATORY n. a substance which causes sneezing, also STERNUTATIVE, STERNUTATOR. |
| STOUTHEARTEDLY | • stoutheartedly adv. Bravely, courageously. • stoutheartedly adv. Resolutely. • stout-heartedly adv. Alternative form of stoutheartedly. |
| TETRACHOTOMOUS | • tetrachotomous adj. Dividing or branching into four equal pieces. • TETRACHOTOMOUS adj. divided into fours. |
| TETRADACTYLOUS | • tetradactylous adj. (Zoology) Having four digits on the foot or hand. • TETRADACTYLOUS adj. having four fingers. |
| ULTRACOMPETENT | • ultracompetent adj. Very highly competent. • ULTRACOMPETENT adj. extremely competent. |
| UTEROGESTATION | • uterogestation n. Gestation in the womb from conception to birth; pregnancy. • UTEROGESTATION n. gestation in the womb. |