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vigesimal

 - 2 dictionary results

vi⋅ges⋅i⋅mal

[vahy-jes-uh-muhl]
–adjective
1. of, pertaining to, or based on twenty.
2. twentieth.
3. proceeding by twenties.

Origin:
1650–60; < L vīgēsim(us), var. (with g of vīgintī twenty) of vīcēsimus, vīcēnsimus twentieth + -al 1
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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vi·ges·i·mal   (vĭ-jěs'ə-məl)   
adj.  
  1. Twentieth.

  2. Proceeding or occurring in intervals of 20.

  3. Based on or relating to 20.


[From Latin vīgēsimus, variant of vīcēsimus, twentieth, from vīgintī, twenty; see wīktī- 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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