telegraphy vs optical telegraph
optical telegraph vs telegraphytelegraphy and optical telegraph both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| telegraphy | Yes | No | No | No |
| optical telegraph | Yes | No | No | No |
As nouns,
optical telegraph is a hyponym of
telegraphy; that is, optical telegraph is a
word with a more specific, narrower meaning than
telegraphy:
- telegraphy: apparatus used to communicate at a distance over a wire (usually in Morse code)
- 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.
Other hyponyms of telegraphy include
Chappe telegraph, semaphore telegraph, phototelegraph, Hughes telegraph.
| telegraphy (noun) | optical telegraph (noun) |
|---|---|
| apparatus used to communicate at a distance over a wire (usually in Morse code) | 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. |
| communicating at a distance by electric transmission over wire |
Words related to "telegraphy"
Words related to "optical telegraph"
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