quanta quant • quantal · · · Info · Definitions · Characters · · quanta · · Text Latin · · Script 6 · · Length 3 · · Syllables Definitions · · · (noun) a discrete amount of something that is analogous to the quantities in quantum theory. Synonyms: quantum. · · Noun Definition 1 (noun) (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory). Synonyms: quantum. · · Noun Definition 2 Characters · · a latin small letter a U+0061 n latin small letter n U+006E q latin small letter q U+0071 t latin small letter t U+0074 u latin small letter u U+0075