Pronunciation: (sin-thet'ik),[key] —adj. 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. Cf. analytic (def. 3), polysynthetic (def. 1).
4. Also,syn•thet'i•cal.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.
—n. 1. something made by a synthetic, or chemical, process.
2. synthetics. a. substances or products made by chemical synthesis, as plastics or artificial fibers.
b. the science or industry concerned with such products.