1. to inject again or inject back into something
Usage: medical; technical

Examples

• The doctor will reinject the medication if the first dose proves insufficient.
• Engineers decided to reinject the treated water back into the underground reservoir.
• The laboratory technician had to reinject the sample after the first attempt failed.
• Oil companies often reinject natural gas back into wells to maintain pressure.
• The surgeon may need to reinject the anesthetic during the lengthy procedure.
• Scientists plan to reinject the purified compound into the test subjects.