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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 quasi identical

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 quasi identical

identical

adj.

1610s, as a term in logic, from Medieval Latin identicus "the same," from Late Latin identitas "identity, sameness," ultimately from comb. form of Latin idem "the same" (from id "it, that one;" see id) + demonstrative suffix -dem. General sense of "being the same or very similar" is from 1630s. Replaced Middle English idemptical (late 15c.), from Medieval Latin idemptitas "identity," from Latin idem. Related: Identically.

Online Etymology Dictionary, © 2010 Douglas Harper
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quasi identical 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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