Definition of control_group
"Control_group" is probably misspelled. Trying control_grid instead Definition of control_grid
1. control_grid [ n ] an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
Synonyms control_grid grid Related Terms electrode tubeSimilar Spelling
control_gridcontrol_rod
control_room
control_tower
control_panel
controller
control_center
controlling
control_key
control_account
control_stick
control_board
control_freak
control_stock
controvert
controlled
connatural
control_system
control_circuit
controllership
controversy
control_surface