Synthetic dye
synthetic dye n.
Any of the organic dyes originally derived from coal-tar derivatives, but currently synthesized from benzene and its derivatives.
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- Synthetic-fuel
noun 1. fuel in the form of liquid or gas (synthetic natural gas) manufactured from coal or in the form of oil extracted from shale or tar sands.
- Synthetic-geometry
noun 1. elementary geometry, as distinct from analytic geometry.
- Synthetic-philosophy
noun 1. the philosophy of Herbert Spencer, intended as a synthesis of all the sciences.
- Synthetic phonics
noun 1. (functioning as sing) a method of teaching people to read by training them to pronounce sounds associated with particular letters in isolation and then blend them together Compare phonics (sense 2)
- Synthetic polymers
synthetic polymers [(pol-uh-muhrz)] Industrially produced chemical substances consisting of a number of molecules linked together with covalent bonds. Examples include plastics, synthetic fibers such as synthetic rubber.