(noun, adjective)


1. Of a change, sudden or discrete, without intermediate stages.

2. (informal) Of a change, significant.

3. (physics) Involving quanta.

4. (computing theory) Relating to a quantum computer.


1. a discrete amount of something that is analogous to the quantities in quantum theory

Definition categories: thought, quantity

2. (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)

Definition categories: thought, amount, measure, quantity