preoperational

operational

[op-uh-rey-shuh-nl]
adjective
1.
able to function or be used; functional: How soon will the new factory be operational?
2.
Military.
a.
of, pertaining to, or involved in military operations.
b.
on active service or combat duty: All units of the command are operational.
3.
of or pertaining to operations or an operation.

Origin:
1920–25; operation + -al1

operationally, adverb
nonoperational, adjective
preoperational, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
operational (ˌɒpəˈreɪʃənəl)
 
adj
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
 
oper'ationally
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

operational
1922, from operation. Related: Operationalization; operationalize.
Online Etymology Dictionary, © 2010 Douglas Harper
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