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.
adj
Of or pertaining to time spans of less than a femtosecond
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: natural-sciences, physical-sciences, physics
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English femtosecond English subfemtosecond From sub- + femtosecond.
