beaker beaker /ˈbiːkɝ/

noun

1. A cup (usually without a handle)  ( beaker )
   a cup (usually without a handle)
    She carefully poured the solution into a beaker during the chemistry experiment.
   She carefully poured the solution into a beaker during the chemistry experiment.
   
   
2. A flatbottomed jar made of glass or plastic; used for chemistry  ( beaker )
   a flatbottomed jar made of glass or plastic; used for chemistry
    The chemist carefully poured the liquid into the beaker
   The chemist carefully poured the liquid into the beaker