Helio
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Helio is a noun meaning A heliotrope (surveying instrument).
Meaning
A heliotrope (surveying instrument).
Example Sentences
A helio or sun-reflecting signal was evidently the desideratum.
A light keeper's duties require him to be alone on a station for days or even weeks at a time, showing a helio to the observer in the afternoon for two or three hours and watching by the signal lamp at night.
On a cloudy but bright day, it is possible to use a helio effectively over moderate distances of about 6 miles. Light keepers should be made aware of this, since they often think that brilliant sun is essential.
Word Forms
- helios
Related Words
Related dictionary entries include tropes, heliotrope, heliograph, heliographer, photoheliograph, heliotype.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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