01 n. An apparatus for passing air or gases through or over certain liquids or solids, or for exhausting a closed vessel, by means of suction.
-
1.
An apparatus for passing air or gases through or over certain liquids or solids, or for exhausting a closed vessel, by means of suction.(Chem.)
-
2.
An instrument for the evacuation of the fluid contents of tumors or collections of blood.(Med.)