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2017 Word of the Year

xiphisternum

[zif-uh-stur-nuh m] /ˌzɪf əˈstɜr nəm/
noun, plural xiphisterna
[zif-uh-stur-nuh] /ˌzɪf əˈstɜr nə/ (Show IPA).
Anatomy.
1.
the lowermost of the three segments of the sternum.
Compare gladiolus (def 2), manubrium (def 2a).
Origin of xiphisternum
1855-1860
1855-60; < New Latin xiphi- (combining form of Greek xíphos sword) + sternum sternum
Related forms
xiphisternal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for xiphisternum
Historical Examples
  • Between the last sternebra and the xiphisternum two pairs articulate.

    The Vertebrate Skeleton Sidney H. Reynolds
  • The xiphisternum generally ends in an expanded plate of cartilage.

    The Vertebrate Skeleton Sidney H. Reynolds
  • Further back is the long sternum proper, while last comes the xiphisternum, a broad expanded plate of cartilage.

    The Vertebrate Skeleton Sidney H. Reynolds
  • The last segment or xiphisternum (fig. 76, 4) is long and narrow, and terminates in a flattened expanded plate of cartilage.

    The Vertebrate Skeleton Sidney H. Reynolds
  • In Manis macrura the xiphisternum is drawn out into a pair of cartilaginous processes about nine inches long.

    The Vertebrate Skeleton Sidney H. Reynolds
British Dictionary definitions for xiphisternum

xiphisternum

/ˌzɪfɪˈstɜːnəm/
noun (pl) -na (-nə)
1.
(anatomy, zoology) the cartilaginous process forming the lowermost part of the breastbone (sternum) Also called xiphoid, xiphoid process
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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xiphisternum in Medicine

xiphisternum xiph·i·ster·num (zĭf'ĭ-stûr'nəm)
n.
See xiphoid process.


xiph'i·ster'nal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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