Precursor

What is Precursor?

Precursor definition and meaning on Dictionary terms:
noun
a person or thing that precedes, as in a job, a method, etc.; predecessor.
a person, animal, or thing that goes before and indicates the approach of someone or something else; harbinger: The first robin is a precursor of spring.
Chemistry, Biochemistry. a chemical that is transformed into another compound, as in the course of a chemical reaction, and therefore precedes that compound in the synthetic pathway: Cholesterol is a precursor of testosterone.
Biology. a cell or tissue that gives rise to a variant, specialized, or more mature form.

 

reference: www.dictionary.com/browse/precursor

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