quantitative, adj. and n.
(Def. Courtesy from the Oxford English Dictionary)
3. Relating to, concerned with, or based on vowel length. Also in Prosody: (of metre, etc.) based on syllable length rather than the placing of stress. Cf. QUANTITY n. 8b.
4. Chem. Of a procedure or a reaction: acting on the whole quantity of a particular substance or species; having an efficiency or a yield of 100 per cent. Hence: designating the yield or product of such a process.
2. A word, expression, etc., which indicates quantity. Cf. QUANTIFIER n. 1b.