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1. Physics
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.

quan′tal·ly adv.


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
ˈquantally adv


(ˈkwɒn tl)

of or pertaining to quanta or to quantum mechanics.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.quantal - of or relating to a quantum or capable of existing in only one of two states
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
References in periodicals archive ?
The information stored in one brain can be quantally transferred to the another brain raising the possibility of reincarnative experiences.
Until a couple of years ago, objects that behaved quantally were all given by nature; things built by human belonged to the macroscopic order.