prefactor

English

Etymology

Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
Proto-Indo-European *dʰeh₁-
Proto-Indo-European *dʰeh₁k-
Proto-Indo-European *-yéti
Proto-Indo-European *dʰh₁kyéti
Proto-Italic *θakjō
Proto-Italic *fakjō
Latin faciō
Proto-Indo-European *-tōr
Proto-Italic *-tōr
Latin -tor
Latin factorbor.
Middle French facteurbor.
▲
Latin factorbor.
Anglo-Norman factourbor.
Middle English factour
English factor
English prefactor

    From pre- + factor.

    Noun

    prefactor (plural prefactors)

    1. A coefficient which precedes a given quantity in a mathematical formula
      • 1980, William E. Carlos, Milton W. Cole, “Band structure and thermodynamic properties of He atoms near a graphite surface”, in Physical Review B‎[1], volume 21:
        The prefactor preceding the sum is the constant density of states associated with two-dimensional motion for each state n of perpendicular motion.

    Derived terms

    • prefactorial
    • Arrhenius prefactor

    Anagrams

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