D defs.my
Entry 2 senses Webster, 1913

Quantify

/kwän'-tĭf-īˌ/ · Quan·ti·fy · IPA /ˈkwɑn.tɪˌfaɪ/
01 v. t. To modify or qualify with respect to quantity; to determine, fix or express the quantity of; to rate.
  1. 1.
    To modify or qualify with respect to quantity; to determine, fix or express the quantity of; to rate.
  2. 2.
    To make explicit the quantity of; as, to quantify a variable.(Logic)