synthetic

[sin-thet-ik]
adjective
1.
of, pertaining to, proceeding by, or involving synthesis (opposed to analytic ).
2.
noting or pertaining to compounds formed through a chemical process by human agency, as opposed to those of natural origin: synthetic vitamins; synthetic fiber.
3.
(of a language) characterized by a relatively widespread use of affixes, rather than separate words, to express syntactic relationships: Latin is a synthetic language, while English is analytic. Compare analytic ( def 3 ), polysynthetic ( def 1 ).
4.
Also, synthetical. Logic. of or pertaining to a noncontradictory proposition in which the predicate is not included in, or entailed by, the subject.
5.
not real or genuine; artificial; feigned: a synthetic chuckle at a poor joke.
6.
Jewelry.
a.
noting a gem mineral manufactured so as to be physically, chemically, and optically identical with the mineral as found in nature.
b.
(not in technical use) noting a gem mineral manufactured and pigmented in imitation of a natural gemstone of that name.
noun
7.
something made by a synthetic, or chemical, process.
8.
synthetics.
a.
substances or products made by chemical synthesis, as plastics or artificial fibers.
b.
the science or industry concerned with such products.

Origin:
1690–1700; < Neo-Latin syntheticus < Greek synthetikós, equivalent to synthet(ós) placed together, verbid of syntithénai to put together (syn- syn- + the-, stem of tithénai to put, place + -tos verbid suffix) + -ikos -ic

synthetically, adverb
nonsynthetic, adjective
nonsynthetical, adjective
nonsynthetically, adverb
unsynthetic, adjective
unsynthetically, adverb


5. fake, phony, counterfeit, sham.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
synthetic (sɪnˈθɛtɪk)
 
adj
1.  (of a substance or material) made artificially by chemical reaction
2.  not genuine; insincere: synthetic compassion
3.  polysynthetic agglutinative Compare analytic denoting languages, such as Latin, whose morphology is characterized by synthesis
4.  philosophy
 a.  (of a proposition) having a truth-value that is not determined solely by virtue of the meanings of the words, as in all men are arrogant
 b.  a posteriori Compare empirical contingent
 
n
5.  a synthetic substance or material
 
[C17: from New Latin syntheticus, from Greek sunthetikos expert in putting together, from suntithenai to put together; see synthesis]
 
syn'thetically
 
adv

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Etymonline
Word Origin & History

synthetic
1690s, as a term in logic, from Fr. synthétique (17c.), from Mod.L. syntheticus, from Gk. synthetikos, from synthetos, pp. of syntithenai (see synthesis). From 1874 in reference to products or materials made artificially by chemical synthesis; hence "artificial" (1930).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

synthetic syn·thet·ic (sĭn-thět'ĭk)
adj.

  1. Relating to or involving synthesis.

  2. Produced by chemical synthesis, especially not of natural origin.

n.
A synthetic chemical compound or material.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
synthetic   (sĭn-thět'ĭk)  Pronunciation Key 
Produced artificially, especially in a laboratory or other man-made environment. Nylon is a synthetic chemical compound.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Synthetic shingles made from recycled materials, such as plastic and old tires
  are another eco-friendly option.
At a time when so much around us is synthetic and artificial, here is the real
  thing.
Synthetic diesel made from natural gas would be a step in the right direction.
Though perfume makers have found synthetic alternatives to musk, the hunting
  hasn't stopped.
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