quantal

[ kwon-tl ]
/ ˈkwɒn tl /

adjective Physics.

of or relating to quanta or quantum mechanics.

Origin of quantal

First recorded in 1915–20; quant(um) + -al1

British Dictionary definitions for quantal

quantal
/ (ˈkwɒntəl) /

adjective

of or relating to a quantum or an entity that is quantized
denoting something that is capable of existing in only one of two states