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identical

[ahy-den-ti-kuh l, ih-den-] /aɪˈdɛn tɪ kəl, ɪˈdɛn-/
adjective
1.
similar or alike in every way:
The two cars are identical except for their license plates.
2.
being the very same; selfsame:
This is the identical room we stayed in last year.
3.
agreeing exactly:
identical opinions.
Origin
1610-1620
1610-20; < Medieval Latin identic(us) identic + -al1
Related forms
identically, adverb
identicalness, noun
nonidentical, adjective
pseudoidentical, adjective
quasi-identical, adjective
quasi-identically, adverb
unidentical, adjective
unidentically, adverb
Synonyms
3. congruous, congruent, equal, matching.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for identically

identical

/aɪˈdɛntɪkəl/
adjective
1.
Also called numerically identical. being one and the same individual Cicero and Tully are identical
2.
Also called quantitatively identical. exactly alike, equal, or agreeing
3.
designating either or both of a pair of twins of the same sex who developed from a single fertilized ovum that split into two Compare fraternal (sense 3)
Derived Forms
identically, adverb
identicalness, noun
Word Origin
C17: from Medieval Latin identicus, from Latin idem the same
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 identically
identical
1620, as a term in logic, from M.L. identicus "the same," from L.L. identitas "identity," ult. from L. idem "the same" (from id "it, that one") + demonstrative suffix -dem. Replaced M.E. idemptical, from M.L. idemptitas, from L. idem.
Online Etymology Dictionary, © 2010 Douglas Harper
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identically in Medicine

identical i·den·ti·cal (ī-děn'tĭ-kəl)
adj.

  1. Exactly equal and alike.

  2. Of or relating to a twin or twins developed from the same fertilized ovum and having the same genetic makeup and closely similar appearance; monozygotic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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