| AUTOROTATION | • autorotation n. (Aviation) The rotation of the blades of a helicopter driven solely by the action of ascending air. • AUTOROTATION n. the act of self-turning. |
| COLOURATIONS | • colourations n. Plural of colouration. • COLOURATION n. the act of colouring; the state of being coloured, also COLORATION. |
| COLOURPOINTS | • colourpoints n. Plural of colourpoint. • COLOURPOINT n. a breed of domestic cat, also COLORPOINT. |
| COPRODUCTION | • coproduction n. A production in which two or more people, groups or companies work together. • co-production n. Alternative form of coproduction. • COPRODUCTION n. a joint production. |
| ICONOLATROUS | • iconolatrous adj. Engaging in iconolatry; worshipping images. • ICONOLATROUS adj. worshipping images. |
| MICRODONTOUS | • MICRODONTOUS adj. having very small teeth, also MICRODONT. |
| MICROSTOMOUS | • MICROSTOMOUS adj. having an unusually small mouth, also MICROSTOMATOUS. |
| MONOTRICHOUS | • monotrichous adj. Having a single flagellum. • MONOTRICHOUS adj. of bacteria, having a single flagellum, also MONOTRICHIC. |
| OPHIOLATROUS | • ophiolatrous adj. Snake-worshipping. • OPHIOLATROUS adj. worshipping snakes. |
| OROROTUNDITY | • OROROTUNDITY n. the orotund mode of intonation, also OROTUNDITY. |
| ORTHOCOUSINS | • orthocousins n. Plural of orthocousin. • ORTHOCOUSINS n. the children of two brothers or two sisters. |
| OUTDOORSIEST | • outdoorsiest adj. Superlative form of outdoorsy: most outdoorsy. • OUTDOORSY adj. (colloq.) of an outdoors inclination. |
| POORMOUTHING | • poormouthing v. Present participle of poormouth. • POORMOUTH v. to complain about being poor. |
| PRODITORIOUS | • proditorious adj. (Obsolete) Treacherous, traitorous. • PRODITORIOUS adj. traitorous; prone to give away secrets. |
| PROLOCUTIONS | • prolocutions n. Plural of prolocution. • PROLOCUTION n. an introductory speech or saying. |
| TRICHOTOMOUS | • trichotomous adj. Divided into three parts, or into threes; forking three ways. • trichotomous adj. (Set theory) Such that, for all x and y in X, and for a binary relation R, exactly one of xRy, yRx or x=y holds. • TRICHOTOMOUS adj. divided into three parts. |
| TROPOPHILOUS | • tropophilous adj. (Biology) Adapted to seasonal changes. • TROPOPHILOUS adj. flourishing in seasonal extremes of climate. |
| WITHOUTDOORS | • withoutdoors adv. (Archaic) outdoors. • WITHOUTDOORS adv. outdoors. |