a, o, e, l, n, c, h, m, r, t, i, v are letters that make 'thermionic valve'
ER, herm, lv, he, mi, VA, ONI, IC, MI, He, therm, ionic, thermion, on, ic, Ionic, thermionic, valve, AL, Io, ion, Al, Er, Ni, Th are words within 'thermionic valve'
1 possible definitions for 'thermionic valve'
Under this definition, thermionic valve is a noun and has the following properties:
vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, tube have the same meaning as 'thermionic valve'
'thermionic valve' can be a type of electronic device.
acorn tube, diode, rectifying tube, rectifying valve, electron multiplier, klystron, pentode, television-camera tube, television pickup tube, tetrode, triode, X-ray tube, gas-discharge tube, magnetron are types of 'thermionic valve'.
'thermionic valve' can be a part of circuit, electrical circuit, electric circuit.
anode, cathode, electrode, grid, control grid, plate are parts of 'thermionic valve'.