(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.

Misspelling of quandary.

(quantum computing) A computer that exploits quantum mechanical phenomena to transcend classical time complexity limitations.

plural of quantum computer

(finance) An investment fund that makes investment decisions by sophisticated quantitative analysis.

A person who designs and implements mathematical models for the pricing of financial derivatives.

(chemistry) The determination of the amounts of an element or compound in a sample. / Used other than figuratively or idiomatically: see quantitative, analysis.

Rule by quangos or similar unelected bodies.