Learn how to say Scintillator correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word scintillator:
a material that fluoresces when struck by a charged particle or high-energy photon:
13 ml of liquid scintillator
Model A intended for use with solid scintillators
a detector for charged particles and gamma rays in which scintillations produced in a phosphor are detected and amplified by a photomultiplier, giving an electrical output signal.