| 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. |
| GOPHERWOOD | • gopherwood n. Alternative form of gopher wood. • gopher␣wood n. (Biblical) The wood used in the construction of Noah’s Ark - currently unidentified. • GOPHERWOOD n. another name for yellowwood. |
| HOLOHEDRON | • holohedron n. A holohedral crystal. • HOLOHEDRON n. a geometrical form possessing the property of holohedrism. |
| MATRONHOOD | • matronhood n. The state of being a matron. • MATRONHOOD n. the state of being a matron. |
| MONOCHORDS | • monochords n. Plural of monochord. • MONOCHORD n. a musical instrument having only one string. |
| MOTHERHOOD | • motherhood n. The state of being a mother. • motherhood n. Mothers, considered as a group. • MOTHERHOOD n. the state of being a mother. |
| 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. |
| ODORIPHORE | • ODORIPHORE n. the group of atoms in an odorous molecule responsible for its odour. |
| 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. |
| ORPHANHOOD | • orphanhood n. The state of being an orphan; the losing of both parents through their death. • ORPHANHOOD n. the state of being an orphan, also ORPHANISM. |
| 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. |
| PERSONHOOD | • personhood n. The state or period of being a person. • personhood n. The status of being considered as a person. • PERSONHOOD n. being a person. |
| RADIOPHOTO | • radiophoto n. A radiophotograph. • RADIOPHOTO n. a picture transmitted by radio. |
| 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. |
| UNORTHODOX | • unorthodox adj. Unusual, unconventional, or idiosyncratic. • UNORTHODOX adj. not orthodox. |
| WOODHORSES | • WOODHORSE n. a sawhorse. |