(quantum mechanics) A framework for describing the nuclear many-body problem as a relativistic system of baryons and mesons based on a local, Lorentz-invariant lagrangian density.

(idiomatic) A person or thing whose nature or value is a mystery. / Used other than figuratively or idiomatically: see unknown, quantity.

plural of quantum Hall effect

(economics) A monetary policy in which the central bank increases the money supply in the banking system, as by purchasing bonds from banks.

(physics) quantum mechanics

plural of quantum state

plural of quantifiability

plural of quantifiable

(rare) Quantifiability.

Not quantified.