omnidirectional

[om-nee-di-rek-shuh-nl]

adjective Electronics.

sending or receiving signals in all directions: an omnidirectional microphone.

Origin of omnidirectional

First recorded in 1925–30; omni- + directional

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British Dictionary definitions for omnidirectional

omnidirectional

adjective

(of an antenna) capable of transmitting and receiving radio signals equally in any direction in the horizontal plane
(of a microphone or antenna) equally sensitive in all directions

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 omnidirectional

adj.

1927, from omni- + directional (see direction).