1. a substance that is injected into the body, especially a medication or vaccine
Usage: medical

Examples

• The nurse prepared the injectant carefully before administering the vaccine.
• Each injectant must be stored at the proper temperature to maintain effectiveness.
• The doctor explained the purpose of the injectant before the procedure.
• Quality control tests ensure the safety of every injectant used in the clinic.
• The pharmaceutical company developed a new injectant for treating diabetes.