denominator

noun

Etymology: Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Late Latin dē Late Latin dē- Proto-Indo-European *h₁nómn̥ Proto-Italic *nōmn̥ Late Latin nōmen Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Late Latin -ō Late Latin nōminō Late Latin dēnōminō Proto-Indo-European *-tōr Proto-Italic *-tōr Late Latin -tor Late Latin dēnōminātorlbor. English denominator Learned borrowing from Late Latin dēnōminātor (“that which names”).

1. The number or expression written below the line in a fraction (such as 2 in ½).

   “common denominator”

   “lowest common denominator”

2. One who gives a name to something.