acetic anhydride

1. 1.

   a compound that is needed in order to refine opium into heroin

   Broaderanhydride

Questions about acetic anhydride

What does acetic anhydride mean?

acetic anhydride means "a compound that is needed in order to refine opium into heroin".

Is acetic anhydride a common word?

acetic anhydride is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.