Excipient
Excipient , adjective
[Latin excipients, -entis, present participle of exipere. See Except, transitive verb]
Taking an exception.
Excipient , noun
1.
An exceptor. [Rare]
2.
(Medicine, Pharmacy) An inert or slightly active substance used in preparing remedies as a vehicle or medium of administration for the medicinal agents. — Chambers