| BEHAVIOURIST | • behaviourist n. Britain standard spelling of behaviorist. • BEHAVIOURIST n. an adherent of behaviourism. |
| DINOTHERIUMS | • dinotheriums n. Plural of dinotherium. • DINOTHERIUM n. an extinct elephantine mammal with downward-curving tusks, also DEINOTHERE, DEINOTHERIUM, DINOTHERE. |
| DISAUTHORISE | • disauthorise v. Alternative form of disauthorize. • DISAUTHORISE v. to deprive of authority, also DISAUTHORIZE. |
| DISAUTHORIZE | • disauthorize v. (Transitive) To deprive of credit or authority; to discredit. • DISAUTHORIZE v. to deprive of authority, also DISAUTHORISE. |
| FLOURISHIEST | • FLOURISHY adj. full of flourishes. |
| HOUSESITTING | • housesitting v. Present participle of housesit. • house-sitting v. Present participle of house-sit. • house␣sitting v. Present participle of house sit. |
| HOUSEWIFIEST | • HOUSEWIFEY adj. like a housewife, also HOUSEWIFELY. |
| IDIOTHERMOUS | • IDIOTHERMOUS adj. warm-blooded. |
| ISOSTHENURIA | • isosthenuria n. The excretion of urine whose specific gravity (concentration) is neither greater nor less than that… • ISOSTHENURIA n. the inability to produce urine. |
| LEIOTRICHOUS | • leiotrichous adj. Having smooth hair. • LEIOTRICHOUS adj. straight-haired. |
| MONCHIQUITES | • monchiquites n. Plural of monchiquite. • MONCHIQUITE n. a fine-grained rock composed of olivine and augite. |
| PERITRICHOUS | • peritrichous adj. (Biology) Having flagella around the body or around the mouth. • PERITRICHOUS adj. having flagella uniformly distributed over the body. |
| SILHOUETTING | • silhouetting v. Present participle of silhouette. • SILHOUETTE v. to represent or show in silhouette. |
| SILHOUETTIST | • silhouettist n. A person who creates silhouettes. • SILHOUETTIST n. one who makes silhouettes. |
| UROLITHIASES | • urolithiases n. Plural of urolithiasis. • UROLITHIASIS n. formation of kidney stones. |
| WHODUNITRIES | • WHODUNITRY n. the genre of whodunit writing, also WHODUNNITRY. |