| DOUBLEHEADER | • doubleheader n. Alternative form of double-header. • double-header n. (Sports) A pair of games played one after another between the same teams. • double-header n. A pair of sporting events, one after the other, at a single venue. |
| HETERODUPLEX | • heteroduplex n. (Biochemistry) A nucleic acid composed of two chains with each derived from a different parent molecule. • heteroduplex v. To form such a compound by genetic recombination. • HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule. |
| HETEROECIOUS | • heteroecious adj. (Biology) Of dependent organisms, spending portions of the life cycle on different types of hosts. • heterœcious adj. Obsolete form of heteroecious. • HETEROECIOUS adj. parasitism upon several hosts. |
| HETEROGENOUS | • heterogenous adj. (Genetics) derived from a different individual or species. • heterogenous adj. Alternative spelling of heterogeneous. • HETEROGENOUS adj. originating outside the body. |
| HETEROMEROUS | • heteromerous adj. (Biology) Having different types or numbers of parts (within the same or similar structure). • HETEROMEROUS adj. unequal or different parts within the same structure. |
| HETEROSEXUAL | • heterosexual adj. Sexually attracted to members of the opposite sex. • heterosexual n. A heterosexual person, or other heterosexual organism. • HETEROSEXUAL adj. attracted to the opposite sex. |
| HOUSEBREAKER | • housebreaker n. A criminal who breaks into and enters another’s house or premises with the intent of committing a crime. • house-breaker n. Alternative form of housebreaker. • house␣breaker n. Alternative form of housebreaker. |
| HOUSEDRESSES | • housedresses n. Plural of housedress. • HOUSEDRESS n. a dress with simple lines that is suitable for housework and is made usually of a washable fabric. |
| HOUSEKEEPERS | • housekeepers n. Plural of housekeeper. • house␣keepers n. Plural of house keeper. • HOUSEKEEPER n. a woman employed to keep house. |
| MOUTHBREEDER | • mouthbreeder n. (Zoology) Synonym of mouthbrooder. • MOUTHBREEDER n. a fish that carries eggs and young in its mouth, also MOUTHBROODER. |
| OVERSCHEDULE | • overschedule v. (Transitive) To overfill the schedule of. |
| SUPERHEROINE | • superheroine n. A heroine with supernatural powers; a female superhero. • SUPERHEROINE n. an exceptional heroine. |
| WAREHOUSEMEN | • warehousemen n. Plural of warehouseman. • WAREHOUSEMAN n. a person who manages or works in a warehouse. |