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EIGHTEENTH

 - 2 dictionary results

eight⋅eenth

[ey-teenth]
–adjective
1. next after the seventeenth; being the ordinal number for 18.
2. being one of 18 equal parts.
–noun
3. an eighteenth part, esp. of one ( 1/18 ).
4. the eighteenth member of a series.

Origin:
bef. 900; ME eightenthe, eightethe, OE eahtatēotha. See eighteen + -th 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To EIGHTEENTH
eight·eenth   (ā-tēnth')   
n.  
  1. The ordinal number matching the number 18 in a series.

  2. One of 18 equal parts.

eight·eenth' adv. & adj.
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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