To pronounce "heliograph", say HEL-iogr-aph — 3 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
heliograph
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3
Syllables
10
Letters
HEL-iogr-aph
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"heliograph" has 3 syllables: hel-iogr-aph.
noun
verb
"Heliograph" has 3 syllables: hel · iogr · aph.
Heliograph: An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
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