quantum
noun
[ ˈkwɒntəm ]
• 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.
• "the court must determine the quantum of compensation due"
Origin:
mid 16th century (in the general sense ‘quantity’): from Latin, neuter of quantus (see quantity). Sense 1 dates from the early 20th century.
