perchlorate
(archaic) To return. / (archaic) To make a stand.
(chemistry) any salt of perchloric acid; used in pyrotechnics and as powerful oxidizing agents.
Any of a type of knot used to attach a line to a ring or other solid terminal. Also known as the anchor bend.
plural of yellowware
工場の廃水から過塩素酸塩が検出され、地域の水源の汚染が懸念された。
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