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
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No pronunciation record was provided for this word.
noun
A method of photography using sub-picosecond pulses of light (usually around 10−13 seconds, or 100 femtoseconds, long) to illuminate the subject of the photograph, allowing the propagation of the light pulse to be viewed directly.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: arts, hobbies, lifestyle, photography
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *pénkwe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Germanic *tehun Proto-Germanic *fimftehun Old Norse fimmtánder. Danish femtender. English femto- Proto-Indo-European *bheh2- Proto-Indo-European *bhéh2os Proto-Hellenic *pháwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-) Proto-Indo-European *gerbh- Proto-Hellenic *grə́phō Ancient Greek γρᾰ́φω (grắphō) French photographiebor. English photography English femtophotography From femto- + photography, from the ~100-femtosecond-long pulses of light used.
