rontosecond

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English

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Etymology

From ronto- +‎ second.

Pronunciation

(General American) IPA^(key): /ˈɹɑn.toʊˌsɛk.(ə)nd/

Noun

rontosecond (plural rontoseconds)

(metrology) An SI unit of time equal to 10⁻²⁷ seconds. Symbol: rs

Synonyms

rs (abbreviation)

Further reading

Orders of magnitude (time) § Less than one second on Wikipedia.Wikipedia

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