英语词汇“quantum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	quantum
释义	quan·tum \ˈkwäntəm sometimes ˈkwȯn-\ noun (plural quan·ta \-tə\) Etymology: Latin, neuter of quantus how much — more at quantity 1. a. : quantity, amount < the quantum of proof needed > < the quantum of damages to be assessed > < the tiny quantum of popular knowledge on any matter — John Buchan > < the quantum of the sin — Robert Burns > b. : a certain or an allotted amount : portion < in almost all men … are quanta of love and tenderness — Levon West > < the Indian blood quantum of the population — D.P.Delorme > c. : gross quantity : aggregate, bulk < the total quantum of securities … that circulate in the economy — H.V.R.Iengar > < increase the quantum of material well-being — H.J.Laski > 2. obsolete : something having quantity : body 3. a. : one of the very small increments or parcels into which many forms of energy are subdivided and which are always associated directly or indirectly with a frequency ν such that the quantum is equal to ν multiplied by Planck constant b. : one of the small subdivisions of a quantized physical magnitude (as molecular spin, angular velocity, magnetic moment) — compare light quantum, magneton, phonon, photon
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