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Precursor - Dictionary Definition and Overview |
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Precursor : (noun)
1: a substance from which another substance is formed
(especially by a metabolic reaction)
2: a person who goes before or announces the coming of another
[syn: forerunner]
3: an indication of the approach of something or someone [syn:
harbinger, forerunner, herald]
Based on WordNet 2.0
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Precursor : \Pre*cur"sor\, n. [L. praecursor, fr. praecurrere to
run before; prae before _ currere to run. See Course.]
One who, or that which, precedes an event, and indicates its
approach; a forerunner; a harbinger.
Evil thoughts are the invisible, airy precursors of all
the storms and tempests of the soul. --Buckminster.
Syn: Predecessor; forerunner; harbinger; messenger; omen;
sign.
Based on Webster's Revised Unabridged Dictionary
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Precursor : Precursor: Forerunner. That which precedes or is derived from an available source.
The term "precursor" is applied to an inactive substance converted to an active one (such as an enzyme, vitamin, or hormone). The term "precursor" applies to any chemical that is transformed into
another.
Based on the Latin "praecursor," composed of "prae-" (or pre-), before _ "curro" to run = to run before.
Based on Webster's Revised Unabridged Dictionary (1913)
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