| HARMONIPHON | • harmoniphon n. Alternative form of harmoniphone. • HARMONIPHON n. a keyboard wind instrument with reeds, also HARMONIPHONE. |
| HOLOBENTHIC | • holobenthic adj. (Biology) That inhabits the seafloor during all phases of life. • HOLOBENTHIC adj. passing the entire life in the deep ocean. |
| HOLOTHURIAN | • holothurian n. (Zoology) sea cucumber (of the class Holothuroidea). • HOLOTHURIAN n. any member of a class of wormlike unarmoured echinoderms, aka sea cucumbers. |
| HOMESHORING | • homeshoring n. A migration of service employees from the office to the home, where such homes have proper communications equipment. • HOMESHORING n. the transfer of service industry employment from offices to home-based employees with appropriate telephone and Internet facilities, also HOMESOURCING. |
| HOMOPHONIES | • homophonies n. Plural of homophony. • HOMOPHONY n. sameness of sound. |
| HOTHOUSINGS | • HOTHOUSING n. the act of rearing intensively. |
| HYPNOPHOBIA | • hypnophobia n. The fear of falling asleep. • HYPNOPHOBIA n. an irrational fear of sleep. |
| KNIGHTHOODS | • knighthoods n. Plural of knighthood. • KNIGHTHOOD n. the rank of a knight. |
| PHONOPHOBIA | • phonophobia n. An unusual fear of sound, especially of speaking aloud or of one’s own voice. • PHONOPHOBIA n. fear of noise or of speaking aloud. |
| PHOSPHONIUM | • phosphonium n. (Chemistry) the tetravalent positively-charged phosphorus cation R4P+. • PHOSPHONIUM n. the radical PH4, analogous to ammonium. |
| PHOTOPHONIC | • photophonic adj. Of or pertaining to the photophone. • PHOTOPHONIC adj. relating to photophony. |
| RHINOPHONIA | • rhinophonia n. (Medicine) nasalised voice. • RHINOPHONIA n. a nasal tone to the voice which is caused by a defect in the nasal passages. |
| RHINORRHOEA | • rhinorrhoea n. Alternative form of rhinorrhea. • rhinorrhœa n. (Chiefly British spelling) Alternative spelling of rhinorrhea. • RHINORRHOEA n. continuous nasal catarrh. |
| SHOEHORNING | • shoehorning v. Present participle of shoehorn. • shoe-horning v. Present participle of shoe-horn. • SHOEHORN v. to force into a small space. |
| THOROUGHPIN | • thoroughpin n. An abnormal swelling (tenosynovitis) on the sides of the hock joint of horses. • THOROUGHPIN n. a swelling of horses' hocks. |