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operational

[op-uh-rey-shuh-nl] /ˌɒp əˈreɪ ʃə nl/
adjective
1.
able to function or be used; functional:
How soon will the new factory be operational?
2.
Military.
  1. of, pertaining to, or involved in military operations.
  2. on active service or combat duty:
    All units of the command are operational.
3.
of or pertaining to operations or an operation.
Origin
1920-1925
1920-25; operation + -al1
Related forms
operationally, adverb
nonoperational, adjective
preoperational, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for pre operational

operational

/ˌɒpəˈreɪʃənəl/
adjective
1.
of or relating to an operation or operations
2.
in working order and ready for use
3.
(military) capable of, needed in, or actually involved in operations
Derived Forms
operationally, adverb
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 pre operational

operational

adj.

1922, "pertaining to operation," from operation + -al (1). Meaning "in a state of functionality" is from 1944.

Online Etymology Dictionary, © 2010 Douglas Harper
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