isolate

[v. ahy-suh-leyt; n., adj. ahy-suh-lit, -leyt]
verb (used with object), isolated, isolating.
1.
to set or place apart; detach or separate so as to be alone.
2.
Medicine/Medical. to keep (an infected person) from contact with noninfected persons; quarantine.
3.
Chemistry, Bacteriology. to obtain (a substance or microorganism) in an uncombined or pure state.
4.
Electricity. to insulate.
5.
Television. to single out (a person, action, etc.) for a camera closeup.
noun
6.
a person, thing, or group that is set apart or isolated, as for purposes of study.
7.
Psychology. a person, often shy or lacking in social skills, who avoids the company of others and has no friends within a group.
8.
Biology. an inbreeding population that is isolated from similar populations by physiological, behavioral, or geographic barriers.
9.
Also called language isolate. Linguistics. a language with no demonstrable genetic relationship, as Basque.
10.
something that has been isolated, as a by-product in a manufacturing process: an isolate of soy flour.
adjective
11.
isolated; alone.

Origin:
1800–10; back formation from isolated

isolator, noun
reisolate, verb (used with object), reisolated, reisolating.
unisolate, verb (used with object), unisolated, unisolating.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
isolate
 
vb
1.  to place apart; cause to be alone
2.  med to quarantine (a person or animal) having or suspected of having a contagious disease
3.  to obtain (a compound) in an uncombined form
4.  to obtain pure cultures of (bacteria, esp those causing a particular disease)
5.  electronics to prevent interaction between (circuits, components, etc); insulate
 
n
6.  an isolated person or group
 
[C19: back formation from isolated, via Italian from Latin insulātus, literally: made into an island; see insulate]
 
'isolable
 
adj
 
isola'bility
 
n
 
'isolator
 
n

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

isolate
1807, a new formation from isolated (q.v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

isolate i·so·late (ī'sə-lāt')
v. i·so·lat·ed, i·so·lat·ing, i·so·lates

  1. To set apart or cut off from others.

  2. To place in quarantine.

  3. To separate a pure strain from a mixed bacterial or fungal culture.

  4. To separate or remove a chemical substance out of a combined mixture.

  5. To separate experiences or memories from the emotions relating to them.

n. (-lĭt, -lāt')
A bacterial or fungal strain that has been isolated.
i'so·la'tor n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
It would not affect the recipient's ability to isolate the secret strand.
As stated above, they administrators only have to isolate and punish one
  faculty member and the rest shut up.
Instrumental variables help to isolate causal relationships.
The waters that lap their beaches isolate them from the pipelines and grids
  that deliver cheaper electricity on the mainland.
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