oxyacid noun. ['ɒksɪ,asɪd] M19.
[from OXY- + ACID noun.]
1. Chemistry. An acid whose molecules contain oxygen, e.g. sulphuric acid, H₂SO₄. Cf. HYDRACID. M19.

2. Organic Chemistry. A carboxylic acid with at least one hydroxyl group in its molecule. Usu. in pl. Now rare or obsolete. L19.

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