[ 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

an·ti·nod·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for antinode

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

  • 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
  • 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 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

British Dictionary definitions for antinode


/ (ˈæntɪˌnəʊd) /


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 pointSee 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

Science definitions for antinode


[ ăntĭ-nōd′ ]

In a standing wave, the region or point of maximum amplitude between two adjacent nodes. Compare node.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.