'injectable' definitions:

Definition of 'injectable'

(from WordNet)
adjective
(used of drugs) capable of being injected [ant: uninjectable]

Definition of 'injectable'

From: GCIDE
  • injectable \injectable\ adj.
  • 1. capable of being conveniently injected; -- used of drug preparations, such as sterile lyophilize medicine in a serum-capped vial. Opposite of uninjectable. [WordNet 1.5 +PJC]
  • 2. Requiring injection for administration; -- of drugs, especially those not active by oral administration. Opposite of orally active. [PJC]