quantifier C2+

/ˈkwɑntɪˌfaɪɚ/ a word or symbol expressing quantity, such as 'all' or 'some'

quantitate C2+

/ˈkwɑntɪˌteɪt/ to measure or express the amount of something; to quantify

quantum C2+

/ˈkwɑntəm/ a discrete quantity of energy, or the smallest possible amount