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OPTICAL TELEGRAPH Synonyms

There is 0 synonym of the phrase optical telegraph. (exact relations)
There are 6 hypernyms of the phrase optical telegraph. (close relations)

Best Hypernyms For OPTICAL TELEGRAPH

Here is a list of related hypernyms for optical telegraph, these are close relations that fall within the same topic. Most relevant words are highlighted and in order.
Words (6)
communication network system technology telegraph telegraphy
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