| ANTHOCHLORE | • ANTHOCHLORE n. a yellow pigment in flowers. |
| BUTTONHOLER | • buttonholer n. One who detains somebody in conversation against their will. • buttonholer n. An attachment for a sewing machine which automates the side-to-side and forward-and-backward motions… • BUTTONHOLER n. a person or sewing-machine attachment that makes buttonholes. |
| CHLORINATOR | • chlorinator n. That which chlorinates. • CHLORINATOR n. a machine for chlorinating. |
| GERONTOPHIL | • GERONTOPHIL n. a person who experiences gerontophilia, a sexual attraction towards old people, also GERONTOPHILE. |
| HARIOLATION | • hariolation n. (Obsolete) Alternative form of ariolation. • HARIOLATION n. prophesy. |
| HELIOTROPIN | • heliotropin n. Piperonal. • HELIOTROPIN n. a phenolic aldehyde of very pleasant odour, used as a perfume and in flavourings, etc., aka piperonal. |
| HOLOTHURIAN | • holothurian n. (Zoology) sea cucumber (of the class Holothuroidea). • HOLOTHURIAN n. any member of a class of wormlike unarmoured echinoderms, aka sea cucumbers. |
| HORIZONTALS | • horizontals n. Plural of horizontal. • HORIZONTAL n. a horizontal line. |
| HYOPLASTRON | • hyoplastron n. (Anatomy) The second lateral plate in the plastron of turtles. • HYOPLASTRON n. in a turtle's plastron, a plate between the hypoplastron and the entoplastron. |
| INTERSCHOOL | • interschool adj. Occurring or taking place between two or more schools. • INTERSCHOOL adj. between schools. |
| MOONLIGHTER | • moonlighter n. A person who moonlights, or works a second job on the side. • moonlighter n. (US, regional) One who serenades by moonlight. • moonlighter n. A moonshiner, who makes illicit alcohol. |
| NOTOCHORDAL | • notochordal adj. Of or pertaining to the notochord. • NOTOCHORDAL adj. relating to the notochord, a backbone-like series of cells in the lowest vertebrates. |
| ORNITHOLOGY | • ornithology n. The branch of zoology that deals with the scientific study of birds. • ORNITHOLOGY n. the study of birds. |
| ORTHONORMAL | • orthonormal adj. (Mathematics) Of a set of vectors, both orthogonal and normalized. • orthonormal adj. (Mathematics) Of a linear transformation that preserves both angles and lengths. • ORTHONORMAL adj. orthogonal with the integral of the square of each function over a specified interval equal to one. |
| RHINOLOGIST | • rhinologist n. One skilled in rhinology. • RHINOLOGIST n. a student of rhinology, the study of the nose. |
| STRONGHOLDS | • strongholds n. Plural of stronghold. • STRONGHOLD n. a fortified place. |
| TRICHLORFON | • trichlorfon n. Metrifonate. • TRICHLORFON n. a crystalline compound used esp. as an insecticide, also TRICHLORPHON. |
| TRICHOMONAL | • trichomonal adj. Relating to, or caused by, the genus Trichomonas of anaerobic protists. • TRICHOMONAL adj. of or like a trichomonad, a kind of flagellate protozoans, also TRICHOMONADAL. |