precursor

pre·cur·sor  (pr-kûrsr, prkûrsr)

n.

1. One that precedes and indicates, suggests, or announces someone or something to come: Colonial opposition to unfair taxation by the British was a precursor of the Revolution.

2. One that precedes another; a forerunner or predecessor: The new principal's precursor was an eminent educator.

3. A biochemical substance, such as an intermediate compound in a chain of enzymatic reactions, from which a more stable or definitive product is formed: a precursor of insulin.

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[Middle English precursoure, from Old French precurseur, from Latin praecursor, from praecursus, past participle of praecurrere, to run before : prae-, pre- + currere, to run; see kers- in Indo-European roots.]

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precursor

Noun

1. something that comes before and signals something to follow; a forerunner

2. a predecessor [Latin praecursor one who runs in front]

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Any chemical reactant which takes place at any stage in the production by whatever method of a toxic chemical. This includes any key component of a binary or multicomponent chemical system. See also toxic chemical.

Thesaurus

Noun	1.	precursor - a substance from which another substance is formed (especially by a metabolic reaction) biochemistry - the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"
	2.	precursor - a person who goes before or announces the coming of another forerunner individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do" predecessor - one who precedes you in time (as in holding a position or office)
	3.	precursor - something that precedes and indicates the approach of something or someone harbinger, herald, predecessor, forerunner indicant, indication - something that serves to indicate or suggest; "an indication of foul play"; "indications of strain"; "symptoms are the prime indicants of disease"

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precursor

noun 1. forerunner, pioneer, predecessor, forebear, antecedent, originator

noun 2. herald, usher, messenger, vanguard, forerunner, harbinger

Translations

precursor [priːˈkəːsəʳ] n → precursor(a) m/f

precursor [priːˈkəːsəʳ] n → précurseur m

precursor [priːˈkəːsəʳ] n → Vorläufer m

precursor [priːˈkəːsəʳ] n → precursore m