Eye dropper and Pipet

Eye dropper 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.

Pipet and eye dropper are semantically related. In some cases you can use "Pipet" instead a noun phrase "Eye dropper".

Pipet noun - 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.

Eye dropper and pipet are semantically related. Sometimes you can replace phrase "Eye dropper" with "Pipet", this terms are similar.