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ODE→nanosecond

nanosecond

Flag: gbEnglishOxford Dictionary of English
nanosecond /ˈnanə(ʊ)ˌsɛknd / (abbreviation ns)
▸ noun one thousand-millionth of a second.
▪ informal a very short time; a moment:
she can flick between manic laughter and tears in a nanosecond.