Definitions of dropper
  1. noun
    pipet consisting of a small tube with a vacuum bulb at one end for drawing liquid in and releasing it a drop at a time
    “she used an eye dropper to administer medication to the eyes”
    synonyms: eye dropper
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    type of:
    pipet, pipette
    measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube
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