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urea Idioms & Phrases

phenolic urea

  • noun a plastic consisting of phenolic resins
    phenolic plastic.

Urea ferment

  • a soluble ferment formed by certain bacteria, which, however, yield the ferment from the body of their cells only after they have been killed by alcohol. It causes urea to take up water and decompose into carbonic acid and ammonia. Many different bacteria possess this property, especially Bacterium ureæ and Micrococcus ureæ, which are found abundantly in urines undergoing alkaline fermentation.
Webster 1913

urea-formaldehyde resin

  • noun a clear thermosetting resin made from urea and formaldehyde and used in electrical fittings, adhesives, and finishes