Find the word definition

Wiktionary
quantal

a. 1 (context physics English) Of or pertaining to a quantum 2 (context physics English) quantized 3 (context biology English) Of a response, being all-or-none

WordNet
quantal

adj. of or relating to a quantum or capable of existing in only one of two states [syn: quantized]

Usage examples of "quantal".

It is my calling to study primitive planets such as this one, to determine the quantal bits in their folklore and to cause the natives to act them out.