phototube en · NOUN
Etymology
Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- Latin tuba Latin tubusder. Middle French tubeder. English tube English phototube From photo- + tube.
Meanings
- A gas-filled electron tube that has a photosensitive cathode.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| phototubes | Number=Plur | lexicographic |
Translations (4)
es fototubo (gas-filled electron tube) · pl fotokomórka (gas-filled electron tube) · de Photozelle (gas-filled electron tube) · cmn 光電管 /光电管 (gas-filled electron tube)