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trans-

 - 4 dictionary results

trans-

 
Use trans- in a Sentence
1. a prefix occurring in loanwords from Latin (transcend; transfix); on this model, used with the meanings “across,” “beyond,” “through,” “changing thoroughly,” “transverse,” in combination with elements of any origin: transisthmian; trans-Siberian; transempirical; transvalue.
2. Chemistry. a prefix denoting a geometric isomer having a pair of identical atoms or groups on the opposite sides of two atoms linked by a double bond. Compare cis- (def. 2).
3. Astronomy. a prefix denoting something farther from the sun (than a given planet): trans-Martian; trans-Neptunian.
Origin:
< L, comb. form of trāns (adv. and prep.) across, beyond, through
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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trans-  
pref.  

  1. Across; on the other side; beyond: transpolar.

  2. Through: transcontinental.

  3. Change; transfer: transliterate.

  4. Having a pair of identical atoms on opposite sides of two atoms linked by a double bond. Used of a geometric isomer: trans-butene.


[From Latin trāns-, from trāns, across, beyond, through; see terə-2 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

trans- 
prefix meaning "across, beyond, to go beyond," from L. trans-, from prep. trans "across, over, beyond," probably originally prp. of a verb *trare-, meaning "to cross" (see through).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

trans- pref.

  1. Across; on the other side; beyond: transilient.

  2. Through: transpiration.

  3. Change; transfer: transketolation.

  4. Having a pair of identical atoms on opposite sides of two atoms linked by a double bond. Used of a geometric isomer. Usually in italic: trans-butene.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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