| 单词 | synthetic substance |
| 释义 | synthetic substance (once / 622069 pages) n WORD FAMILY synthetic substance: synthetic substances USAGE EXAMPLESThe word is generally allowed if the product has no added colors, artificial flavors or synthetic substances. Seattle Times(Aug 03, 2016) Do synthetic substances have a place in organic agriculture? Washington Post(Jul 26, 2015) Users, too, say they smoke the synthetic substances instead of other drugs precisely so they can pass a drug test. Washington Post(Jul 18, 2015) n a compound made artificially by chemical reactions Syn|Hypo|Hyper synthetic Plasticine a synthetic material resembling clay but remaining soft; used as a substitute for clay or wax in modeling (especially in schools) phosphora synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes rubber, synthetic rubberany of various synthetic elastic materials whose properties resemble natural rubber silicone rubbermade from silicone elastomers; retains flexibility resilience and tensile strength over a wide temperature range neoprenea synthetic rubber that is resistant to oils and aging; used in waterproof products buna, buna rubbermade by polymerizing butadiene butyl rubbersynthetic rubber made by polymerizing isobutylene chemical compound, compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
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