塩えん基き性せい

え

ん

き

せ

い

Meanings

1

basicity; alkalinity

Chemistry term for the property of being basic or alkaline. Antonym: 酸性 (acidity).

Antonyms: 酸性

Measure the basicity of this solution.

2

noun which may take the genitive case particle 'no'

basic; alkaline

Attributive use (の-adjective) in chemistry to describe a substance or solution as basic/alkaline. Antonym: 酸性 (acidic).

Antonyms: 酸性

アルカリ性せい

Synonym: アルカリ性 is more common in everyday contexts for alkalinity, while 塩基性 is a formal chemistry term.

Compound of 塩基 (base, as in chemistry) + 性 (property, nature). The term is a direct translation of the Western chemistry concept.