quantal(redirected from quantally)
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a. Of or relating to quanta, quantum mechanics, or a quantized system.
b. Existing in only one of two possible states.
2. Biology Of or designating an all-or-none response or effect: a quantal reaction.
1. (Atomic Physics) of or relating to a quantum or an entity that is quantized
2. denoting something that is capable of existing in only one of two states
of or pertaining to quanta or to quantum mechanics.