noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An early TV camera tube. (Abbreviation of orthoconoscope). abbreviation, alt-of
2. 2
   a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons wordnet

Synonyms

All synonyms

image orthiconorthoconoscope

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.