Femtosecond
"Femtosecond" in cmn
毫微微秒
háowēiwēimiǎo
(unit of time, equal to 10−15 second)
飛秒 /飞秒
fēimiǎo
(unit of time, equal to 10−15 second)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.