DROPPER


Meaning of DROPPER in English

drop ‧ per /ˈdrɒpə $ ˈdrɑːpər/ BrE AmE noun [countable]

a short glass tube with a hollow rubber part at one end, that you use to measure liquid one drop at a time

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.