Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
An apparatus for signalling by means of a moveable mirror which reflects flashes of sunlight.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A heliogram.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An instrument for measuring the intensity of sunlight.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A device for photographing the sun.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A photograph.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To send a message by heliograph.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To send a heliograph.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To photograph by sunlight.
Definition source: English Wiktionary via Wiktextract
Usage: dated, transitive
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To message or indicate as though by heliograph.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
an apparatus for sending telegraphic messages by using a mirror to turn the sun's rays off and on
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: apparatus, setup
verb
signal by means of a mirror and the using the sun's rays
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: sign, signal, signalize, signalise
History
From helio- + -graph.
