Electronic device and Vacuum tube

Electronic device noun - A device that accomplishes its purpose electronically.

Vacuum tube and electronic device are semantically related. In some cases you can replace phrase "Vacuum tube" with "Electronic device", this phrases are similar.

Vacuum tube noun - Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope.

Electronic device and vacuum tube are semantically related. You can use "Electronic device" instead a noun phrase "Vacuum tube".