hemichordate

hemichordate
noun Etymology: New Latin Hemichordata, from hemi- + Chordata chordates Date: 1885 any of a phylum (Hemichordata) of wormlike marine animals (as an acorn worm) that have in the proboscis an outgrowth of the pharyngeal wall which superficially resembles the notochord of chordates

New Collegiate Dictionary. 2001.

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  • hemichordate — [hem΄ikôr′dāt΄] adj. [ HEMI + CHORDATE] of or pertaining to a phylum (Hemichordata) of wormlike marine animals with visceral clefts and primitive nervous and circulatory systems n. any hemichordate animal …   English World dictionary

  • hemichordate — /hem i kawr dayt/, Zool. adj. 1. belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms. n. 2. a hemichordate animal, having a vertebratelike hollow nerve cord …   Universalium

  • hemichordate — hem•i•chor•date [[t]ˌhɛm ɪˈkɔr deɪt[/t]] adj. 1) ivt belonging or pertaining to the phylum Hemichordata, comprising small marine invertebrates, as the acorn worms, that have a vertebratelike hollow nerve cord and an echinodermlike larval stage 2) …   From formal English to slang

  • hemichordate — /hɛmiˈkɔdeɪt/ (say hemee kawdayt) adjective 1. denoting or relating to the Hemichordata, a chordate subphylum characterised by the possession of gills. –noun 2. a hemichordate animal …  

  • hemichordate — noun or adjective see hemichordata * * * /hem i kawr dayt/, Zool. adj. 1. belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms. n. 2. a hemichordate animal,… …   Useful english dictionary

  • hemichordate Zoology — [hɛmɪ kɔ:deɪt] noun a marine invertebrate of the small phylum Hemichordata, which comprises the acorn worms. adjective relating to hemichordates …   English new terms dictionary

  • hemichordate — 1. noun Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord 2. adjective Of, pertaining to, or characteristic of these animals …   Wiktionary

  • hemichordate — hemi·chordate …   English syllables

  • Chordate — Chordata Temporal range: Early Cambrian – Recent, 540–0 Ma …   Wikipedia

  • Hemichordata — Kiemenlochtiere Eichelwurm (Saccoglossus sp.) Systematik Reich: Tiere (Animalia) Unterreich …   Deutsch Wikipedia

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