ABC - DEF - GHI - JKL - MNO - PQRS - TUV - WXYZ Languages: Precursor(s)
Definition:
A precursor is a chemical which precedes and is the source of another.
Source: GreenFacts
More:
For example, in water disinfection, chlorine and natural organic matter are
precursors to trihalomethanes.
Related words: Chlorine - Natural organic matter
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