Definition of acetic anhydride
: a colorless liquid C4H6O3 with a pungent odor used in organic synthesis (as of cellulose acetate and aspirin)
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First Known Use of acetic anhydride
1855
Medical Dictionary
acetic anhydride
medical Definition of acetic anhydride
: a colorless liquid (CH3CO)2O with a pungent odor and lacrimatory and vesicant action that is used especially in making acetyl derivatives (as aspirin)
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Britannica.com: Encyclopedia article about acetic anhydride
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