滴てき瓶びんてきびんMeanings1noundropper bottle; dropping bottleA bottle designed to dispense liquid drop by drop, commonly used in laboratories or for medications.実じっ験けんでは、滴てき瓶びんから試し薬やくを一いっ滴てきずつ加くわえた。In the experiment, we added the reagent drop by drop from a dropper bottle.