a, o, b, d, e, c, h, r, t, u, y are letters that make 'cathode-ray tube'
cathode, hod, tube, OD, ode, Tho, at, be, ray, cat, CAT, tub, RA, CA, DE, Ra, At, Be, Ca, Ho, Th are words within 'cathode-ray tube'
1 possible definitions for 'cathode-ray tube'
Under this definition, cathode-ray tube is a noun and has the following properties:
CRT has the same meaning as cathode-ray tube
'cathode-ray tube' can be a type of gas-discharge tube.
Crookes tube, kinescope, picture tube, television tube are types of 'cathode-ray tube'.
'cathode-ray tube' can be a part of computer, computing machine, data processor, electronic computer, information processing system, oscilloscope, cathode-ray oscilloscope, CRO, television system, television, computing device, scope.
electron gun, screen, CRT screen are parts of 'cathode-ray tube'.