counterpoise

[koun-ter-poiz]
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noun
  1. a counterbalancing weight.
  2. any equal and opposing power or force.
  3. the state of being in equilibrium; balance.
  4. Radio. a network of wires or other conductors connected to the base of an antenna, used as a substitute for the ground connection.
verb (used with object), coun·ter·poised, coun·ter·pois·ing.
  1. to balance by an opposing weight; counteract by an opposing force.
  2. to bring into equilibrium.
  3. Archaic. to weigh (one thing) against something else; consider carefully.

Origin of counterpoise

1375–1425; counter- + poise1; replacing late Middle English countrepeis < Anglo-French, equivalent to Old French contrepois
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for counterpoise

counterpoise

noun
  1. a force, influence, etc, that counterbalances another
  2. a state of balance; equilibrium
  3. a weight that balances another
  4. a radial array of metallic wires, rods, or tubes arranged horizontally around the base of a vertical aerial to increase its transmitting efficiency
verb (tr)
  1. to oppose with something of equal effect, weight, or force; offset
  2. to bring into equilibrium
  3. archaic to consider (one thing) carefully in relation to another
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

Word Origin and History for counterpoise
n.

early 15c., from Old French contrepois (Modern French contrepoids), from contre- "against" (see contra-) + peis, from Latin pensum "weight," noun use of neuter past participle of pendere "to weigh" (see pendant).

Online Etymology Dictionary, © 2010 Douglas Harper