| BEHAVIOURISTIC | • behaviouristic adj. Britain standard spelling of behavioristic. • BEHAVIOURISTIC adj. relating to behaviourism, also BEHAVIORISTIC. |
| CLAVICYTHERIUM | • clavicytherium n. (Music) A harpsichord in which the soundboard and strings are mounted vertically facing the player. • CLAVICYTHERIUM n. a harpsichord-like musical instrument. |
| EXHAUSTIVENESS | • exhaustiveness n. The state of being exhaustive. • EXHAUSTIVE n. testing all possibilities or considering all elements. |
| EXHAUSTIVITIES | • exhaustivities n. Plural of exhaustivity. • EXHAUSTIVITY n. the state of being exhaustive. |
| EXTRAVEHICULAR | • extravehicular adj. Relating to, on happening in, the space outside a vehicle, especially a spacecraft in space. • extra-vehicular adj. Alternative spelling of extravehicular. • EXTRAVEHICULAR adj. taking place outside a vehicle (as a spacecraft). |
| INTERBEHAVIOUR | • interbehaviour n. Rare spelling of interbehavior. • INTERBEHAVIOUR n. interaction between multiple individuals, also INTERBEHAVIOR. |
| NONCHAUVINISTS | • nonchauvinists n. Plural of nonchauvinist. • NONCHAUVINIST n. a person who is not a chauvinist. |
| ORTHOMYXOVIRUS | • orthomyxovirus n. (Virology) Any RNA virus of Orthomyxoviridae family characterised by having two long glycoprotein spikes. |
| OUTFANGTHIEVES | • OUTFANGTHIEF n. (historical) the right of judging and fining thieves pursued and brought back from outside one's own jurisdiction. |
| OVERBURTHENING | • overburthening v. Present participle of overburthen. • OVERBURTHEN v. (archaic) to overburden, also OVERBURDEN. |
| OVERENTHUSIASM | • overenthusiasm n. Excessive enthusiasm. • OVERENTHUSIASM n. an excessive enthusiasm. |
| PHOTOINDUCTIVE | • photoinductive adj. Relating to photoinduction. • PHOTOINDUCTIVE adj. relating to photoinduction. |
| UNCHAUVINISTIC | • unchauvinistic adj. Not chauvinistic. • UNCHAUVINISTIC adj. not chauvinistic. |
| VOUCHSAFEMENTS | • vouchsafements n. Plural of vouchsafement. • VOUCHSAFEMENT n. the act of vouchsafing. |