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counterpoise

[koun-ter-poiz] /ˈkaʊn tərˌpɔɪz/
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), counterpoised, counterpoising.
5.
to balance by an opposing weight; counteract by an opposing force.
6.
to bring into equilibrium.
7.
Archaic. to weigh (one thing) against something else; consider carefully.
Origin
late Middle English
1375-1425
1375-1425; counter- + poise1; replacing late Middle English countrepeis < Anglo-French, equivalent to Old French contrepois
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for counterpoise
  • The scene of the poem-a landscape-is painted with a serenity that acts as a counterpoise to the emotions of loss.
  • Furnish and install copper ground rods, counterpoise, and grounding cables.
  • During the installation of the fence grounding system, the counterpoise was placed inside the fence.
  • Structural counterpoise that brings about a desired balance under static or dynamic conditions.
British Dictionary definitions for counterpoise

counterpoise

/ˈkaʊntəˌpɔɪz/
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 (transitive)
5.
to oppose with something of equal effect, weight, or force; offset
6.
to bring into equilibrium
7.
(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
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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
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Encyclopedia Article for counterpoise

in electronics, portion of an antenna system that is composed of wires or other types of conductor arranged in a circular pattern at the base of the antenna at a certain distance above ground. Insulated from the ground, it forms the lower system of antenna conductors. It is used in places where it is difficult to obtain a good ground (e.g., where there is extremely rocky soil). A combination of counterpoise and buried-wire grounds is also possible

Learn more about counterpoise with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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