| COLEOPTEROUS | • coleopterous adj. Of or pertaining to beetles of the order Coleoptera. • COLEOPTEROUS adj. pertaining to beetles and weevils; having hard anterior wings. | 
| HETEROGONOUS | • heterogonous adj. (Botany) Characterized by heterogony. • HETEROGONOUS adj. reproducing both sexually and asexually. | 
| HETEROLOGOUS | • heterologous adj. Having different relationships or different elements. • heterologous adj. (Biology) Of, or relating to different species. • HETEROLOGOUS adj. differing; comprising different parts or parts in different proportions. | 
| HETERONOMOUS | • heteronomous adj. Arising from an external influence, force, or agency; not autonomous. • heteronomous adj. (Biology, of parts of an organism) Differing in development or in specialization. • heteronomous adj. (Linguistics, of a language) Being a dialect of an autonomous language. | 
| HETEROTOPOUS | • heterotopous adj. Exhibiting heterotopy. • HETEROTOPOUS adj. relating to heterotopy, displacement of an organ of the body, also HETEROTOPIC. | 
| HOMOEOMEROUS | • homoeomerous adj. (Biology) Having similar quantities or variations pertaining to parts of structure. • homoeomerous adj. Being the same whether whole or divided into parts. • homœomerous adj. Obsolete form of homoeomerous. | 
| NEUROHORMONE | • neurohormone n. Any hormone that stimulates the nervous system. • NEUROHORMONE n. a hormone (as acetylcholine or norepinephrine) produced by or acting on nervous tissue. | 
| OLEORESINOUS | • oleoresinous adj. Of or relating to oleoresin. • OLEORESINOUS adj. of or like an oleoresin. | 
| OSTEODERMOUS | • OSTEODERMOUS adj. of or like an osteoderm, also OSTEODERMAL, OSTEODERMATOUS, OSTEODERMIC. | 
| OVERCOLOURED | • overcoloured adj. Alternative form of overcolored. • overcoloured v. Simple past tense and past participle of overcolour. • OVERCOLOUR v. to colour to excess, also OVERCOLOR. | 
| OVERHONOURED | • OVERHONOUR v. to honour excessively, also OVERHONOR. | 
| PSEUDOCOELOM | • pseudocoelom n. Synonym of pseudocoel. | 
| TELEOSTOMOUS | • TELEOSTOMOUS adj. belonging to the Teleostomi, fishes with membrane bones in the skull. |