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

quan·tum

(kwŏntəm)

n. pl. quan·ta (-tə)

1. Physics

a. The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.

b. This amount of energy regarded as a unit.

2. A quantity or amount.

3. A specified portion.

4. Something that can be counted or measured.

5. A unit of acetylcholine, released at the synaptic cleft of a neuromuscular junction.

adj.

Relating to or based upon quantum theory.

[Latin, from neuter of quantus, how great; see QUANTITY.]

单词	quantum
释义	quan·tum (kwŏntəm) n. pl. quan·ta (-tə) 1. Physics a. The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation. b. This amount of energy regarded as a unit. 2. A quantity or amount. 3. A specified portion. 4. Something that can be counted or measured. 5. A unit of acetylcholine, released at the synaptic cleft of a neuromuscular junction. adj. Relating to or based upon quantum theory. [Latin, from neuter of quantus, how great; see QUANTITY.]
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