What is another word for femtosecond?
Pronunciation: [fˈɛmtə͡ʊskˌɒnd] (IPA) 
Femtosecond is a unit of time used to describe incredibly brief durations that span only quadrillionth of a second. It is ubiquitous in the field of physics, engineering, and technology, especially in the realm of ultrafast laser technology. Some synonyms for femtosecond include attosecond, picosecond, nanosecond, and microsecond. Attosecond is the shortest unit of time and is equal to one quintillionth of a second. A picosecond is equal to one trillionth of a second, a nanosecond is equal to one billionth of a second, and finally, a microsecond is equal to one millionth of a second. Each unit of time is essential in different experiments and studies.
