ˈträkə.ˌträn noun
( -s )
Etymology: troch- + -tron
: a high-vacuum tube or a mass spectrograph in which the ion paths controlled by magnetic and electric fields are trochoids
ˈträkə.ˌträn noun
( -s )
Etymology: troch- + -tron
: a high-vacuum tube or a mass spectrograph in which the ion paths controlled by magnetic and electric fields are trochoids
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012