The property of being acidic; acidity — in chemistry often used for solutions with pH below 7.
この土壌は酸性が強く、特定の植物は育ちにくい。
This soil is strongly acidic, so certain plants have difficulty growing.
酸性雨の被害で湖の水質が悪化した。
Acid rain damaged the lake and worsened the water quality.
試薬を使って溶液の酸性を測定した。
We measured the acidity of the solution using a reagent.
Having acidic properties; used attributively (e.g., 'an acidic solution').
この溶液は酸性で、皮膚に触れると刺激があるかもしれない。
This solution is acidic and may irritate the skin if touched.
酸性の土壌には酸性を好む植物がよく育つ。
Plants that prefer acidic soil grow well in acidic soils.
化粧品のpHは肌に合うように弱酸性に調整されていることが多い。
Cosmetic pH is often adjusted to be mildly acidic to suit the skin.