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- pre·cur·sor / ˈprēˌkərsər; priˈkər- / • n. a person or thing that comes before another of the same kind; a forerunner: a three-stringed precursor of the violin | [as adj.] precursor cells. ∎ Biochem. a substance from which another is formed, esp. by metabolic reaction: pepsinogen is the inactive precursor of pepsin. precursor XVI.
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precursor applies to a person or thing paving the way for the success or accomplishment of another. harbinger and herald both apply, chiefly figuratively, to one that proclaims or announces the coming or arrival of a notable event.
PRECURSOR meaning: 1. something that happened or existed before another thing, especially if it either developed into…. Learn more.
May 23, 2018 · precursor (pri-ker-ser) n. a substance from which another, usually more biologically active, substance is formed. For example, trypsinogen is the precursor of the enzyme trypsin.
Precursor definition: a person or thing that precedes, as in a job, a method, etc.; predecessor.. See examples of PRECURSOR used in a sentence.
PRECURSOR definition: 1. something that happened or existed before another thing, especially if it either developed into…. Learn more.
Definition of precursor noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.