English Dictionary

proton

IPA（発音記号）

/ˈpɹəʊ.tɒn/

名詞

廃用

(physics) 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.

日本語の意味

陽子：原子核の一部を構成する正に帯電した素粒子であり、原子番号を決定する（2個のアップクォークと1個のダウンクォークから成る）。

The proton, composed of two up quarks and a down quark, carries a positive charge and determines the atomic number of an element.

陽子は二つのアップクォークと一つのダウンクォークから構成され、正の電荷を持ち、元素の原子番号を決定します。

意味（1）

(physics) 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.

Comeronyms: neutron, electron

意味（2）

(obsolete, anatomy) Synonym of primordium

It is a well authenticated fact that, in the case of section of a peripheral nerve, the nuclei of the sheath of Schwann pass to the centre of the lumen and form the protoplasmic prota of the segments of the new nerve[…]. From studies of the development of the olfactory organs in reptiles, as reported briefly in earlier numbers of this Journal, the writer has been abundantly convinced of the truth of Beard’s statement that the olfactory prota arise from the skin[…].

protons （ plural ）