| CHORDOTOMY | • chordotomy n. (Surgery) Alternative spelling of cordotomy. • CHORDOTOMY n. the surgical division of a bundle of nerve fibres in the spinal cord, also CORDOTOMY. |
| MATRONHOOD | • matronhood n. The state of being a matron. • MATRONHOOD n. the state of being a matron. |
| MOTHERHOOD | • motherhood n. The state of being a mother. • motherhood n. Mothers, considered as a group. • MOTHERHOOD n. the state of being a mother. |
| NATIONHOOD | • nationhood n. The quality of being a nation. • nationhood n. The fact of achieving national independence or autonomy. • NATIONHOOD n. the state of being a nation. |
| NOTOCHORDS | • notochords n. Plural of notochord. • NOTOCHORD n. a backbone-like series of cells in the lowest vertebrates. |
| OCTOHEDRON | • octohedron n. Alternative form of octahedron. • OCTOHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTAHEDRON. |
| ORNITHOPOD | • ornithopod n. A type of bipedal, herbivorous, bird-hipped dinosaur from the Cretaceous period, found on all seven continents. • ORNITHOPOD n. a member of a suborder of bipedal ornithischian (bird-hipped) dinosaurs. |
| ORTHODOXES | • Orthodoxes n. Plural of Orthodox. • ORTHODOX n. an orthodox person. |
| ORTHODOXLY | • orthodoxly adv. In a correct or proper way; conventionally; correctly. • orthodoxly adv. In a religiously orthodox way; in accordance with accepted religious doctrine. • ORTHODOX adv. sound in doctrine. |
| ORTHODROMY | • orthodromy n. The act or art of sailing on a great circle. • ORTHODROMY n. the act or art of sailing on a great circle, also ORTHODROMICS. |
| PHOTODIODE | • photodiode n. (Electronics) A semiconductor two-terminal component whose electrical characteristics are light-sensitive. • PHOTODIODE n. a two-electrode semiconductor device. |
| PHOTOFLOOD | • photoflood n. (Photography) A lamp that produces a broad beam of continuous bright light; used to illuminate a photographic subject. • PHOTOFLOOD n. an incandescent tungsten lamp. |
| RADIOPHOTO | • radiophoto n. A radiophotograph. • RADIOPHOTO n. a picture transmitted by radio. |
| SHOOTDOWNS | • shootdowns n. Plural of shootdown. • SHOOTDOWN n. the act of shooting down aircraft. |
| TOOLHOLDER | • toolholder n. Part of a machine that grips a replaceable tool. • TOOLHOLDER n. a holder for tools. |
| TORCHWOODS | • torchwoods n. Plural of torchwood. • TORCHWOOD n. the inflammable wood of certain trees; also, the trees themselves. |
| TOUCHWOODS | • TOUCHWOOD n. wood so decayed as to serve for tinder. |
| UNORTHODOX | • unorthodox adj. Unusual, unconventional, or idiosyncratic. • UNORTHODOX adj. not orthodox. |
| YOUTHHOODS | • youthhoods n. Plural of youthhood. • YOUTHHOOD n. (obsolete) youth, also YOUNGTH, YOUTHHEAD. |
| ZOOPHYTOID | • zoophytoid adj. (Archaic) zoophytic. • ZOOPHYTOID adj. pertaining to, or resembling, a zoophyte. |