(quantum mechanics) Any phenomenon that arises when a quantity that becomes zero according to classical physics acquires a finite value when quantum rules are utilized.

(quantum mechanics) the study of the effects of the laws of quantum mechanics on the propagation and absorption of sound

(quantum mechanics) The field concerned with the interaction of radiation and matter, and on the effects of quantum mechanics on the behaviour of electrons.

(chemistry, physics) the application of quantum mechanics to chemical problems

(physics) the study of the interaction of electromagnetic radiation with electrically charged matter within the framework of relativity and quantum mechanics

(quantum mechanics) Any of a class of solids (such as that of helium) whose atoms or molecules undergo large zero-point motion even in the quantum ground state (at absolute zero).

(quantum mechanics) The quantum theory of the gravitational field. / (quantum mechanics) The study of quantum fields in curved spacetime.

The act of quantifying. / (economics) The expression of an economic activity in monetary units. / (logic) A limitation that is imposed on the variables of a proposition.

present participle of quantify

plural of quantification