Definitions for precursorprɪˈkɜr sər, ˈpri kɜr-

This page provides all possible meanings and translations of the word precursor

Random House Webster's College Dictionary

pre•cur•sorprɪˈkɜr sər, ˈpri kɜr-(n.)

  1. a person or thing that precedes, as in a job or a method; predecessor.

  2. a person, animal, or thing regarded as a harbinger:

    The first robin is a precursor of spring.

  3. 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.

    Category: Biochemistry, Chemistry

  4. a cell or tissue that gives rise to a variant, specialized, or more mature form.

    Category: Developmental Biology

Origin of precursor:

1375–1425; late ME < L


Princeton's WordNet

  1. precursor(noun)

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

  2. precursor, forerunner(noun)

    a person who goes before or announces the coming of another

  3. harbinger, forerunner, predecessor, herald, precursor(noun)

    something that precedes and indicates the approach of something or someone


  1. precursor(Noun)

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

  2. precursor(Noun)

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

  3. Origin: From praecursor

Webster Dictionary

  1. Precursor(noun)

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

Dictionary of Military and Associated Terms

  1. precursor

    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.

Anagrams of precursor

  1. procurers

Translations for precursor

Kernerman English Multilingual Dictionary


a person or thing which is a sign of what is to follow

Penicillin was the forerunner of modern antibiotics.

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