heliograph
/ˈhiː.li.əˌɡɹæf/noun, verb
heliograph is spelled H-E-L-I-O-G-R-A-P-H: 10 letters and 4 syllables. It appears about once in every 35 million words in written English, the 180,281st most frequent word form (wordfreq, 2021 data). As a noun, heliograph means “An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight” (English Wiktionary, September 2026). The plural of heliograph is heliographs.
How many letters and syllables are in heliograph?
| Letters | 10: H-E-L-I-O-G-R-A-P-H |
|---|---|
| Syllables | 4 (from its pronunciation) |
| In writing | about once in every 35 million words; the 180,281st most frequent word form |
| Wrong spellings searched | none 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 heliograph?
Heliograph appears about once in every 35 million words in written English, the 180,281st 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 heliograph?
- US /ˈhiː.li.əˌɡɹæf/
Heliograph has 4 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of heliograph
- heliographs plural, present, singular, he/she/it
- heliographing participle, present
- heliographed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does heliograph mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
- 2
A heliogram.
- 3
An instrument for measuring the intensity of sunlight.
- 4
A device for photographing the sun.
- 5
obsoleteA photograph.
verb
- 1
To send a message by heliograph.
- 2
To send a heliograph.
- 3
datedTo photograph by sunlight.
- 4
To message or indicate as though by heliograph.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does heliograph come from?
From helio- + -graph.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).