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n. 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.

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

n. 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.

n. That which precurses, a forerunner, a predecessor, an indicator of approaching events.

n. One of the compounds that participates in the chemical reaction that produces another compound.

n. One who, or that which, precedes an event, and indicates its approach; a forerunner; a harbinger.

n. A forerunner; also, that which precedes an event and indicates its approach.

n. Synonyms Predecessor, herald, omen, sign.

n. Specifically, in the history of the fine arts, an early artist of a school or period, or an artist who preceded such a school or period. The precursors of the Renaissance in Italy are the sculptors and painters of the thirteenth and fourteenth centuries. such as Niccola Pisano, Giotto, etc.

n. something that precedes and indicates the approach of something or someone

n. a substance from which another substance is formed (especially by a metabolic reaction)

n. a person who goes before or announces the coming of another

"Yet in precisely this jostling of succession, that wintry decline and fall of the precursor is already redeemed by the previous linear drop, despite the attempted brake of the exclamation mark."

indicant    indication    stuff    material   

sign    predecessor    omen    forerunner    messenger    harbinger   

cursor    mercer    purser    reverser    verser   

progenitor    lineage    differentiation    subset    transplantation    apoptosis    forerunner    hormone    receptor    effector