optical telegraph vs telegraphy
telegraphy vs optical telegraphoptical telegraph and telegraphy both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| optical telegraph | Yes | No | No | No |
| telegraphy | Yes | No | No | No |
As nouns,
telegraphy is a hypernym of
optical telegraph; that is, telegraphy is a
word with a broader meaning than optical telegraph:
- optical telegraph: any telegraph that uses visual signals to convey a message, including the use of smoke signals, beacons or reflected light, which have existed since ancient times.
- telegraphy: apparatus used to communicate at a distance over a wire (usually in Morse code)
Other hypernyms of optical telegraph include
telegraph.
| optical telegraph (noun) | telegraphy (noun) |
|---|---|
| any telegraph that uses visual signals to convey a message, including the use of smoke signals, beacons or reflected light, which have existed since ancient times. | apparatus used to communicate at a distance over a wire (usually in Morse code) |
| communicating at a distance by electric transmission over wire |
Words related to "optical telegraph"
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