cyrto-|sɜːtəʊ-|repr.Gr. κυρτο- from κυρτός curved, arched. In some recent technical terms, as cyrtoˈceratitePalæont., a fossil cephalopod of the genus Cyrtoceras, having the shell incurved or bent like a horn. So cyrtoceraˈtitic, cyrˈtoceranadjs.; cyrtoˈceratid, a member of the family containing Cyrtoceras. ˈcyrtograph, an instrument for the same purpose as the cyrtometer (Syd. Soc.Lex.). ˈcyrtoid, a., resembling a hump or swelling on the back (Syd. Soc.Lex.). ˈcyrtoliteMin., a variety of zircon with the pyramidal planes convex (Dana). cyrˈtometer[F. cyrtomètre], an instrument for measuring and recording the curves of the chest; also (Wilson's C.) for measurement of the head; whence cyrtoˈmetrica., cyrˈtometry. ˈcyrtostyle, a circular portico projecting from the front or other part of a building (Webster, 1864).1867Amer.Jrnl.Sc.Ser. ii. XLIV. 224 Before the blow⁓pipe cyrtolite glows brilliantly.1870S. Gee Auscultation & Perc. ii. 10 The Cyrtometer.1879Khory Princ.Med. 45 When the outlines are drawn on paper by the help of the cyrtometer.1885Lancet 26 Sept., A cyrtometric tracing taken of the chest about the nipple level.
cyrto-/ˈsə:təʊ/combining form of Greek kurtos curved: see -o-.