ohnosecond

== English == === Etymology === From oh no +‎ second, in imitation of terms like nanosecond and attosecond. === Pronunciation === IPA(key): /ˈəʊ(ˈ)nəʊˌsɛkənd/ === Noun === ohnosecond (plural ohnoseconds) (humorous) The fraction of time between making a mistake and realizing it.