undifferentiated

[dif-uh-ren-shee-eyt] Origin

dif·fer·en·ti·ate

[dif-uh-ren-shee-eyt] verb, dif·fer·en·ti·at·ed, dif·fer·en·ti·at·ing.
verb (used with object)
1.
to form or mark differently from other such things; distinguish.
2.
to change; alter.
3.
to perceive the difference in or between.
4.
to make different by modification, as a biological species.
5.
Mathematics. to obtain the differential or the derivative of.
verb (used without object)
6.
to become unlike or dissimilar; change in character.
7.
to make a distinction.
8.
Biology. (of cells or tissues) to change from relatively generalized to specialized kinds, during development.

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Undifferentiated is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a chattering or flighty, light-headed person.

Origin:
1810–20; < Medieval Latin differentiātus distinguished (past participle of differentiāre), equivalent to Latin different(ia) difference + -ātus -ate1

dif·fer·en·ti·a·tion, noun
in·ter·dif·fer·en·ti·ate, verb (used with object), in·ter·dif·fer·en·ti·at·ed, in·ter·dif·fer·en·ti·at·ing.
re·dif·fer·en·ti·ate, verb, re·dif·fer·en·ti·at·ed, re·dif·fer·en·ti·at·ing.
self-dif·fer·en·ti·at·ing, adjective
un·dif·fer·en·ti·at·ed, adjective


1. set off. See distinguish. 3. separate.

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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World English Dictionary
undifferentiated (ˌʌndɪfəˈrɛnʃɪˌeɪtɪd)
 
adj
not having any distinguishing features: an undifferentiated mass

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

undifferentiated
1862, from un- (1) "not" + pp. of differentiate (see difference).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

undifferentiated un·dif·fer·en·ti·at·ed (ŭn'dĭf-ə-rěn'shē-ā'tĭd)
adj.
Having no special structure or function; primitive; embryonic.

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