precursor

precursor
/pri kerr"seuhr, pree"kerr-/, n.
1. a person or thing that precedes, as in a job, a method, etc.; predecessor.
2. a person, animal, or thing that goes before and indicates the approach of someone or something else; harbinger: The first robin is a precursor of spring.
3. Chem., Biochem. 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.
4. Biol. a cell or tissue that gives rise to a variant, specialized, or more mature form.
[1375-1425; late ME < L praecursor forerunner. See PRE-, CURSOR]
Syn. 1. forerunner. 2. herald.

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Universalium. 2010.

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  • Precursor — Saltar a navegación, búsqueda Precursor es el término usado por los Testigos de Jehová para designar a los hombres y mujeres que voluntariamente dedican cierta cantidad de horas al ministerio del campo o predicación. El término deriva de la forma …   Wikipedia Español

  • Precursor — or Precursors may refer to:*Precursor (bird), a hypothesized genus of fossil birds that was actually composed of fossilized parts of unrelated animals *Precursor (chemistry), a compound that participates in the chemical reaction that produces… …   Wikipedia

  • precursor — PRECURSÓR, OÁRE, precursori, oare, s.m. şi f. Persoană care pregăteşte, prin activitatea sa, terenul pentru o dezvoltare ulterioară mai largă într un anumit domeniu; deschizător de drumuri; înaintaş, premergător. – Din fr. précurseur. Trimis de… …   Dicționar Român

  • precursor — m. metabol. Sustancia necesaria para fabricar otra de más compleja. Medical Dictionary. 2011. precursor Característica o …   Diccionario médico

  • precursor — I noun advance guard, ancestor, announcer, antecedent, augury, avant courier, forebearer, forefather, foregoer, forerunner, guide, harbinger, herald, omen, parent, pathfinder, patriarch, pioneer, portent, precursor, praenuntius, precedent,… …   Law dictionary

  • precursor — [n1] something that indicates outcome or event beforehand forerunner, harbinger, herald, messenger, outrider, usher, vanguard; concepts 70,278 precursor [n2] something that precedes another ancestor, antecedent, antecessor, forebear, foregoer,… …   New thesaurus

  • 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. [1913 Webster] Evil thoughts are the… …   The Collaborative International Dictionary of English

  • precursor — precursor. См. предшественник. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • precursor — precursor, ra adjetivo y sustantivo pionero, iniciador. * * * Sinónimos: ■ iniciador, pionero, antepasado, ascendiente, precedente, adelantado …   Diccionario de sinónimos y antónimos

  • precursor — (n.) early 15c., from L. praecursor forerunner, from praecursus, pp. of praecurrere, from prae before (see PRE (Cf. pre )) + currere to run (see CURRENT (Cf. current)). Related: Precursory …   Etymology dictionary

  • precursor — |ô| adj. s. m. 1. Que ou quem vem à frente. = DIANTEIRO ≠ TRASEIRO 2. Que ou quem vem adiante de alguém para anunciar a sua chegada. 3. Que ou quem anuncia ou prevê um acontecimento futuro. 4. Que ou quem é o primeiro a apresentar determinadas… …   Dicionário da Língua Portuguesa

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