| FOETOSCOPY | • foetoscopy n. Alternative form of fetoscopy. • FOETOSCOPY n. a procedure for viewing the fetus directly, within the uterus, also FETOSCOPY. |
| HOLOPHOTES | • holophotes n. Plural of holophote. • HOLOPHOTE n. an apparatus by which all the light from a lighthouse is thrown in the required direction. |
| MONOPTEROS | • monopteros n. (Architecture) A classical temple made up of one circle of columns supporting a roof. • MONOPTEROS n. a building with single ring of columns supporting a roof. |
| MONOPTOTES | • monoptotes n. Plural of monoptote. • MONOPTOTE n. a noun that has one grammatical case only. |
| OPTOLOGIES | • OPTOLOGY n. the study of sight. |
| OPTOPHONES | • optophones n. Plural of optophone. • OPTOPHONE n. a device transforming light into sound. |
| ORTHOSCOPE | • orthoscope n. An instrument for examining the interior of an eye. • orthoscope n. An instrument for drawing projections of a skull. • ORTHOSCOPE n. a nineteenth century instrument for viewing the fundus of the eye through a layer of water, which eliminates distortion caused by the cornea. |
| OTOSCOPIES | • otoscopies n. Plural of otoscopy. • OTOSCOPY n. the examination of the ear by otoscope. |
| OUTROOPERS | • OUTROOPER n. (obsolete) an auctioneer; the Common Crier of the City, also OUTROPER. |
| OUTSCOOPED | • outscooped v. Simple past tense and past participle of outscoop. • OUTSCOOP v. to surpass in scooping. |
| PONTOONERS | • pontooners n. Plural of pontooner. • PONTOONER n. a builder of pontoon bridges, also PONTONEER, PONTONIER, PONTONNIER. |
| PROTOSTOME | • protostome n. Any animal, of the taxon Protostomia, in which the mouth is derived from the embryonic blastopore. • PROTOSTOME n. a major group of bilateral metazoan animals, that includes mollusks and annelids. |
| ROTOSCOPED | • rotoscoped v. Simple past tense and past participle of rotoscope. • ROTOSCOPE v. to create the outline of an object from live-action film for manipulation in an animated film sequence. |
| ROTOSCOPES | • rotoscopes v. Third-person singular simple present indicative form of rotoscope. • ROTOSCOPE v. to create the outline of an object from live-action film for manipulation in an animated film sequence. |
| SPOROZOITE | • sporozoite n. (Cytology) Any of the minute active bodies into which a sporozoan divides just before it infects a new host cell. • SPOROZOITE n. a minute, mobile, preadult spore developed by sporozoans. |
| TOPOLOGIES | • topologies n. Plural of topology. • TOPOLOGY n. the branch of mathematics that deals with those properties of figures and surfaces which are independent of size and shape. |
| WOODENTOPS | • woodentops n. Plural of woodentop. • wooden-tops n. Plural of wooden-top. • WOODENTOP n. a uniformed policeman; a guardsman. |