アップクォーク

ア

ッ

プ

クォ

ー

ク

Meanings

1

noun

up quark; u quark

physics

Technical term in particle physics; one of the elementary particles that make up protons and neutrons.

アップクォーク
Variant with interpunct; less common but still used in some technical contexts.
アップ・クォーク

ダウンクォーク
ダウンクォーク is the down quark, which together with the up quark forms protons and neutrons.
クォーク
クォーク is the general term for quarks; アップクォーク is a specific type.

Borrowed from English 'up quark'.