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helio

/ˈhi.li.oʊ/noun

helio is spelled H-E-L-I-O: 5 letters and 3 syllables. It appears about once in every 4 million words in written English, the 62,894th most frequent word form (wordfreq, 2021 data). As a noun, helio means “A heliotrope (surveying instrument)” (English Wiktionary, September 2026). The plural of helio is helios.

How many letters and syllables are in helio?

Letters5: H-E-L-I-O
Syllables3 (from its pronunciation)
In writingabout once in every 4 million words; the 62,894th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is helio?

Helio appears about once in every 4 million words in written English, the 62,894th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce helio?

  • US /ˈhi.li.oʊ/

Helio has 3 syllables (counted from the pronunciation).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-helio-.wav, Wikimedia Commons (author and licence on each file's page).

Forms of helio

  • helios plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does helio mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A heliotrope (surveying instrument).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Helio in Spanish, French, German and Portuguese

In the sense related to the sun:

LanguageWords
Frenchhélio-
Germanhelio-
Portuguesehelio-
Spanishhelio-

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does helio come from?

Clipping of heliotrope.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after helio