What does HELIO mean?

Here is the requested information on "helio": 1. Parts of Speech: Noun 2. Definitions: a combining form meaning "sun" (e.g. heliocentric) 3. Pronunciations: US: /ˈhiːlioʊ/; UK: /ˈhiːlɪəʊ/ 4. Origin and Usage: "Helio" is derived from the Greek word "helios", meaning "sun". It is commonly used as a combining form in scientific terminology related to the sun, such as "heliocentric" (having the sun at the center) and "heliotherapy" (the use of sunlight for therapeutic purposes). 5. Synonyms: None 6. Related Words: None 7. Example Sentences: - The heliocentric model of the solar system places the sun at the center. - Heliotherapy is often used to treat conditions such as psoriasis and depression. - The heliograph was an early device for sending messages using sunlight.