rontosecond

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English[edit]

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Etymology[edit]

ronto- +‎ second

Pronunciation[edit]

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

Noun[edit]

rontosecond (plural rontoseconds)

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

Synonyms[edit]

rs (abbreviation)

Further reading[edit]

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

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