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cephalothorax

[sef-uh-loh-thawr-aks, -thohr-] /ˌsɛf ə loʊˈθɔr æks, -ˈθoʊr-/
noun, plural cephalothoraxes, cephalothoraces
[sef-uh-loh-thawr-uh-seez, -thohr-] /ˌsɛf ə loʊˈθɔr əˌsiz, -ˈθoʊr-/ (Show IPA).
Zoology.
1.
the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
Origin of cephalothorax
1825-1835
First recorded in 1825-35; cephalo- + thorax
Related forms
cephalothoracic
[sef-uh-loh-thuh-ras-ik] /ˌsɛf ə loʊ θəˈræs ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for cephalothoracic

cephalothorax

/ˌsɛfələʊˈθɔːræks/
noun (pl) -raxes, -races (-rəˌsiːz)
1.
the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
Derived Forms
cephalothoracic (ˌsɛfələʊθəˈræsɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cephalothoracic

cephalothorax

n.

1829, from cephalo- + thorax. Perhaps from French or German.

Online Etymology Dictionary, © 2010 Douglas Harper
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cephalothoracic in Medicine

cephalothoracic ceph·a·lo·tho·rac·ic (sěf'ə-lō-thə-rās'ĭk)
adj.
Relating to the head and the chest.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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cephalothoracic in Science
cephalothorax
  (sěf'ə-lə-thôr'āks')   
The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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