Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
orthicon | Yes | No | No | No |
television-camera tube | Yes | No | No | No |
orthicon (noun) | television-camera tube (noun) |
---|---|
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 | a tube that rapidly scans an optical image and converts it into electronic signals |