- tetracid⇄adj. 1. (of a base or alcohol) having four hydroxyl (-OH) groups that may react with the hydrogen of an acid to form water, leaving a salt or ester.
2. having four acid atoms of hydrogen per molecule. - tetracid⇄noun a base or an alcohol having four replaceable hydroxyl (-OH) groups.
- tetracid⇄tetracid, adjective, noun.
(Chemistry.)