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bidirectional

[bahy-di-rek-shuh-nl, -dahy-] /ˌbaɪ dɪˈrɛk ʃə nl, -daɪ-/
adjective
1.
capable of reacting or functioning in two, usually opposite, directions.
Origin of bidirectional
1940-1945
First recorded in 1940-45; bi-1 + directional
Related forms
bidirectionality, noun
bidirectionally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for bidirectional

bidirectional

/ˌbaɪdɪˈrɛkʃənəl/
adjective
1.
(computing) (of a printhead) capable of printing from left to right and from right to left
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 bidirectional
adj.

also bi-directional, 1941, from bi- + direction + -al (1). Originally of microphones. Related: Bidirectionally.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for bidirectional

18
22
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