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過
か
硼
ほう
酸
さん
Meanings
Noun
Chemistry
1. perboric acid
Kanji used
過
surpass something
硼
sound of stones struck together
酸
acid
Composed of
過
か
surplus-; excess-; over-; per- (chemical with more of a certain element than found in other compounds of the same constituents)
硼
ほう
酸
さん
boric acid