[ˈkwɒntəm], (Noun)

Definitions:
- a discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.

- a required or allowed amount, especially an amount of money legally payable in damages
(e.g: the court must determine the quantum of compensation due)


Phrases:

Origin:
mid 16th century (in the general sense ‘quantity’): from Latin, neuter of quantus (see quantity). Sense 1 dates from the early 20th century