| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024quan•ta (kwon′tə),USA pronunciation n. - Physicspl. of quantum.
Collins Concise English Dictionary © HarperCollins Publishers:: quanta /ˈkwɒntə/ n - the plural of quantum
quan•tum /ˈkwɑntəm/USA pronunciation n., pl. -ta adj. n. [countable] - quantity or amount:the least quantum of evidence.
- Physicsthe smallest amount by which certain particles in physics can possess, absorb, give off, or change their amount of energy.
adj. [before a noun] - of or relating to the study in physics of the smallest amount of energy a particle can possess, absorb, or give off:quantum physics.
- sudden and significant:a quantum increase.
WordReference Random House Unabridged Dictionary of American English © 2024quan•tum (kwon′təm),USA pronunciation n., pl. -ta (-tə),USA pronunciation adj.
n. - quantity or amount:the least quantum of evidence.
- a particular amount.
- a share or portion.
- a large quantity;
bulk. - Physics
- the smallest quantity of radiant energy, equal to Planck's constant times the frequency of the associated radiation.
- the fundamental unit of a quantized physical magnitude, as angular momentum.
adj. - sudden and significant:a quantum increase in productivity.
- noun, nominal use of neuter of Latin quantus how much 1610–20
Collins Concise English Dictionary © HarperCollins Publishers:: quantum /ˈkwɒntəm/ n ( pl -ta / -tə/)- the smallest quantity of some physical property, such as energy, that a system can possess according to the quantum theory
- a particle with such a unit of energy
- amount or quantity, esp a specific amount
- (modifier) loosely, sudden, spectacular, or vitally important: a quantum improvement
Etymology: 17th Century: from Latin quantus (adj) how much |