proton

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n. 质子 [化] 质子

发音

UK /ˈpɹəʊ.tɒn/
US /ˈpɹoʊ.tɑn/

词形变化

protons 复数 protons

别名

protron p

教材释义与例句

名词

质子

释义与例句

n.
  1. 1.

    A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.

    质子

    物理
  2. 2.

    A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.

    The atomic nucleus of protium (hydrogen-1)

    物理
  3. 3.

    Synonym of primordium.

    废旧 医学

词汇关系

名词

上位词 1

nucleon

下位词 1

hydrogen ion

相关短语

proton pump [化] 质子泵 proton number proton numbers proton pumps proton capture proton captures proton transfer [化] 质子传递 proton pump inhibitors proton pump inhibitor proton halo proton halos proton therapy

词源

Learned borrowing from Ancient Greek πρῶτον (prôton), neuter of πρῶτος (prôtos, “first”). (physics): Coined by New Zealand-British scientist Ernest Rutherford in 1920, in analogy with electron (1891), and with an additional intention of honoring English chemist William Prout. Analyzable as proto- + -on (anatomy): A translation of German Anlage (“fundamental thing”) based on Aristotle’s phrase ἡ πρώτη οὐσία τὸ πρῶτον (hē prṓtē ousía tò prôton).

来源：wiktionary