After staring at the computer for hours, she used an eyedrop to relieve the dryness in her eyes.

I always keep a small bottle of eyedrops in my bag for long flights.

The scientist carefully measured out three eyedropperfuls of reagent into the test tube.

After the lab tests, they labeled five eyedroppersful of reagent for storage.

She added an eyedropperful of oil to the pan to finish the sauce.

She carefully filled the eyedropper with saline before administering the medication.

The lab technician sterilized the eyedroppers before filling them with the solution.