Meaning of QUANTUM in English

[ 'kwɒntəm ]

■ noun ( plural quanta -tə )

1》 Physics a discrete quantity of energy proportional in magnitude to a particular frequency of radiation and corresponding e.g. to a single photon or to a transition of an atom between energy states.

↘an analogous unit amount of something.

2》 a total amount, especially an amount of money legally payable in damages.

↘a share.


C16: from L., neut. of quantus (see quantity ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.