Nutrition An edible plant or part of a plant other than a sweet fruit or seed (nut). Defining a plant food as a vegetable is somewhat arbitrary and depends on use. As an example, tomatoes are botanically defined as fruits, but used as vegetables. Vox populi A common, albeit un-PC, term for a person in persistent vegetative state.
The definition of abstain is choosing to not do something. An example of abstain is to not eat animal products during Lent. Abstain means to not vote. An example of abstain would be a senator who chooses not to vote on a particular bill.
The term abstinence should not be confused with abstinence syndrome, an older term for withdrawal syndrome.See also: sobriety; temperance I. abstinence, conditioned See withdrawal, conditioned. abuse (drug, alcohol, chemical, substance, or psychoactive substance) A group of terms in wide use but of varying meaning.