diapsid
adjective Etymology: ultimately from Greek di- + hapsid-, hapsis loop, arch — more at apsis Date: circa 1909 of, relating to, or including reptiles (as the crocodiles) with two pairs of temporal openings in the skull

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Diapsid — reptiles Temporal range: Late Carboniferous Recent, 302–0 Ma …   Wikipedia

  • diapsid — /duy ap sid/, adj. 1. (of reptiles) having two openings in the skull behind each eye, characteristic of the subclasses Lepidosauria and Archosauria, including all living reptiles except turtles. n. 2. a diapsid reptile. Cf. anapsid. [ < NL… …   Universalium

  • diapsid — noun reptile having a pair of openings in the skull behind each eye • Syn: ↑diapsid reptile • Ant: ↑anapsid • Hypernyms: ↑reptile, ↑reptilian • Hyponyms: ↑ …   Useful english dictionary

  • diapsid — noun Any of very many reptiles, of the subclass Diapsida, that have a pair of openings in the skull behind each eye …   Wiktionary

  • diapsid — di·ap·sid …   English syllables

  • diapsid — di•ap•sid [[t]daɪˈæp sɪd[/t]] adj. ram (of reptiles) having two openings in the skull behind each eye • Etymology: < NL Diapsida (1903) =di di + apsida, neut. pl. of apsidus, adj. der. of Gk (h)apsís loop, arch; see apsis …   From formal English to slang

  • diapsid — /daɪˈæpsəd/ (say duy apsuhd) adjective 1. of or relating to a group of reptiles which developed during the late Carboniferous period, characterised by having a hole on each side of the skull; living members of the group are crocodiles, lizards,… …   Australian English dictionary

  • diapsid reptile — noun reptile having a pair of openings in the skull behind each eye • Syn: ↑diapsid • Ant: ↑anapsid (for: ↑diapsid) • Hypernyms: ↑reptile, ↑reptilian …   Useful english dictionary

  • Dinosaur — For other uses, see Dinosaur (disambiguation). Dinosaurs Temporal range: Late Triassic–Late Cretaceous, 231.4–65.5 Ma …   Wikipedia

  • Archosaur — Taxobox name = Archosaurs fossil range = Early Triassic Recent image width = 250px image caption = Living archosaurs are crocodilians and birds. regnum = Animalia phylum = Chordata classis = Sauropsida subclassis = Diapsida infraclassis =… …   Wikipedia

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