1. a person or device that administers or measures out doses of medicine or other substances
Usage: often used in medical or pharmaceutical contexts
2. a person who doses or gives doses to someone
Usage: less common; general usage

Examples

• The nurse used an automated doser to deliver the correct medication amount.
• A doser of pain relief medication must follow strict protocols.
• The IV doser was calibrated to release medicine at precise intervals.
• The pharmacist acted as a careful doser of the potent drug.
• Modern dosers help prevent medication errors in hospitals.