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[an-ti-nohd] /ˈæn tɪˌnoʊd/
noun, Physics.
the region of maximum amplitude between two adjacent nodes in a standing wave.
Origin of antinode
First recorded in 1880-85; anti- + node
Related forms
antinodal, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for antinode
Historical Examples
  • The distance from an antinode to a node is that from 1-2 on the curve and is one-fourth a wave length.

    Physics Willis Eugene Tower
  • Inconsistent hyphenation of word, 'anti-node' and 'antinode' both present in original text.

    Hertzian Wave Wireless Telegraphy John Ambrose Fleming
  • Now in the open organ pipe (Fig. 341d), the end of the air column d is a place of great vibration or is an antinode.

    Physics Willis Eugene Tower
  • The open air column therefore extends from antinode to antinode (or from 1-3) or is one-half a wave length.

    Physics Willis Eugene Tower
British Dictionary definitions for antinode


(physics) a point at which the amplitude of one of the two kinds of displacement in a standing wave has maximum value. Generally the other kind of displacement has its minimum value at this point See also standing wave Compare node
Derived Forms
antinodal, adjective
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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Word Origin and History for antinode

1872, from anti- + node.

Online Etymology Dictionary, © 2010 Douglas Harper
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antinode in Science
In a standing wave, the region or point of maximum amplitude between two adjacent nodes. Compare node.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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