SpellRight

SpellRight › Spelling

Rare

thermionic valve

The correct spelling is thermionic valve.

How to pronounce thermionic valve

noun

Say it like: The-rmio-nic- va-lve

The correct spelling is thermionic valve. An electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc. The British English term for a vacuum…

Usage Examples

No usage examples in context are available for this word.

Definition

noun

  1. 1.An electronic device incorporating electrons from a glowing cathode inside an evacuated glass tube, functioning as a switch, amplifier etc. The British English term for a vacuum tube.

Similar words

Words related in meaning — check their spelling too.

View synonyms & usage examples