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  1. nanosecond

    • IPA[ˈnanōˌsek(ə)n(d)]

    美式

    • n.
      one billionth of a second.;a very short time; a moment
    • noun: nanosecond, plural noun: nanoseconds

    • 釋義

    名詞

    • 1. one billionth of a second.
    • a very short time; a moment he replied without a nanosecond's hesitation
    • 更多解釋
    • IPA[ˈnanə(ʊ)ˌsɛknd]

    英式

    • n.
      one thousand-millionth of a second.

    Oxford Dictionary