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Chemical substance   /kˈɛməkəl sˈəbstəns/   Listen
Chemical substance

Material produced by or used in a reaction involving changes in atoms or molecules.  Synonym: chemical.

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"Chemical substance" Quotes from Famous Books

... (see Mallee). Sometimes spelt leurp, or laap. The aboriginal word means 'sweet.' It is a kind of manna secreted by an insect, Psylla eucalypti, and found on the leaves of the Mallee, Eucalyptus dumosa. Attention was first drawn to it by Mr. Thomas Dobson (see quotations). A chemical substance called Lerpamyllum is derived from it; see Watts' 'Dictionary of Chemistry,' Second Supplement, ...
— A Dictionary of Austral English • Edward Morris

... towards the cornea, and the migrated cells make their way along the devious tracts of the communicating lymph spaces to the area of injury. The objection may be raised that it is difficult to think of a chemical substance produced in an injured area no larger than a millimeter, diffusing through the cornea and reaching the vessels outside this in such quantity and concentration as to affect their contents, nor has there been any evidence presented that definite chemical substances are produced in injured ...
— Disease and Its Causes • William Thomas Councilman

Words linked to "Chemical substance" :   bacteriacide, product, fertilizer, carrier, fumigant, bactericide, material, chemical, stuff, alar, weed killer, fertiliser, plant food, phytochemical, weedkiller, reactant, herbicide, congener, intermediate, flux, stabilizer, restrainer, larvicide, soil conditioner, chemical compound, carbon tetrahalide, compound, daminozide, pesticide, fraction, explosive, softener

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