acetic acid
(astrophysics) A theoretical maximum radius of a star of given mass; the radius at which the inward force of gravity exactly balances the outward pressure of the gas of the star.
The B.1.621 strain of the SARS-CoV-2 virus that causes COVID-19.
A surname.
(organic chemistry) A clear colourless organic acid, CH₃COOH, formed by the bacterial oxidation of ethanol through acetic fermentation; it is used as a solvent and has very many industrial applications; it is the major acidic component of vinegar.
発酵後、科学者たちは試料中の酢酸（CH3COOH）濃度を純度評価のために測定した。
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DiQt（ディクト）
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