| EPHEMEROPTERAN | • ephemeropteran n. (Zoology) Any insect of the order Ephemeroptera, the mayflies. • EPHEMEROPTERAN n. any insect of the mayfly family. |
| MERCAPTOPURINE | • mercaptopurine n. (Pharmacology) An thiol antimetabolite C5H4N4S that interferes especially with the metabolism of purine… • MERCAPTOPURINE n. an antimetabolite sometimes used in the treatment of acute leukemia. |
| PARTHENOSPORES | • PARTHENOSPORE n. a thick-walled spore produced by parthenogenesis in certain algae and fungi. |
| PERPENDICULARS | • perpendiculars n. Plural of perpendicular. • PERPENDICULAR n. a perpendicular line. |
| PREOPERATIONAL | • preoperational adj. Prior to a surgical operation. • preoperational adj. In or relating to a Piagetian phase of child development characterized by sparse and logically inadequate… • PREOPERATIONAL adj. preceding an operation. |
| PREPAREDNESSES | • preparednesses n. Plural of preparedness. • PREPAREDNESS n. the state of being prepared. |
| PREPERFORMANCE | • preperformance adj. Done or made before or in preparation for a performance. • preperformance n. Prior performance. • PREPERFORMANCE adj. preceding a performance. |
| PREPONDERANCES | • preponderances n. Plural of preponderance. • PREPONDERANCE n. a superiority in weight, power, importance, or strength, also PREPONDERANCY. |
| PREPONDERANTLY | • preponderantly adv. In a preponderant manner. • PREPONDERANT adv. having superior weight, force, or influence. |
| PREPONDERATELY | • preponderately adv. Synonym of preponderantly. • PREPONDERATE adv. surpassing. |
| PREPONDERATING | • preponderating v. Present participle of preponderate. • PREPONDERATE v. to surpass others in numbers, intensity, force, or prowess. |
| PREPONDERATION | • preponderation n. The act or state of preponderating; preponderance. • PREPONDERATION n. the act of preponderating. |
| PROPERISPOMENA | • properispomena n. Plural of properispomenon. • PROPERISPOMENON n. a word with the circumflex accent on the penultimate syllable. |
| RAPPROCHEMENTS | • rapprochements n. Plural of rapprochement. • RAPPROCHEMENT n. (French) a resumption of or improvement in relations between countries or persons. |
| REAPPRAISEMENT | • REAPPRAISEMENT n. the act of reappraising. |
| SNIPPERSNAPPER | • snipper-snapper n. (Colloquial, dated) A small, insignificant fellow. • SNIPPERSNAPPER n. a whippersnapper. |
| UNDERSTRAPPERS | • understrappers n. Plural of understrapper. • UNDERSTRAPPER n. an inferior agent; an underling. |
| UNPREPAREDNESS | • unpreparedness n. The state or quality of being unprepared. • UNPREPAREDNESS n. a lack of preparedness. |
| WHIPPERSNAPPER | • whippersnapper n. (Colloquial, dated) A young and cheeky or presumptuous person. • whipper-snapper n. Alternative form of whippersnapper. • whipper␣snapper n. Alternative form of whippersnapper. |