centra

[sen-truh]
noun
a plural of centrum.
Dictionary.com Unabridged

centrum

[sen-truhm]
noun, plural centrums, centra [sen-truh] .
1.
a center.
2.
Anatomy, Zoology. the body of a vertebra.
3.
Mycology. collectively, all the structures enclosed within the ascocarp of a fungus.

Origin:
1850–55; < Latin; see center

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
centra (ˈsɛntrə)
 
n
a plural of centrum

centrum (ˈsɛntrəm)
 
n , pl -trums, -tra
the main part or body of a vertebra
 
[C19: from Latin: centre]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

centrum cen·trum (sěn'trəm)
n. pl. cen·trums or cen·tra (-trə)

  1. A center of any kind, especially an anatomical center.

  2. The major part of a vertebra, exclusive of the bases of the neural arch.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The centra were rinsed thoroughly in distilled water and then soaked in concentrated formic acid for four min.
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