Radicals ( Radical493) fourteen strokes in Kanji;
dimensional, e.g.
;
directional, e.g.
;
logical, e.g.
in Hiragana: acid;
acidity of aqueous (pH < 7) i.e. Acid;
sour taste; sourness;
in Kanji: acid;
bitterness; sour; tart;
numerological, e.g.
5;
structural, e.g.
(25 °C) Water is neutral at pH 7; IFF (pH > 7) base, basicity of aqueous;