ダウンクォーク

ダ

ウ

ン

クォ

ー

ク

Meanings

1

noun

down quark

physics

Technical term in particle physics; one of the fundamental constituents of matter.

ダウンクォーク
Variant with interpunct; less common but seen in some technical contexts.
ダウン・クォーク

アップクォーク
Up quark; together with the down quark, it forms protons and neutrons.
クォーク
Quark; the broader class of elementary particles to which the down quark belongs.

Borrowed from English 'down quark', a term coined in the 1960s in particle physics.