Definition of centisecond in US English:

centisecond

noun

  • One hundredth of a second (usually of time, less often of arc). Symbol cs, csec.

Origin

Early 20th century; earliest use found in Professional & Amateur Photographer. From centi- + second, after French centiseconde.

Pronunciation

centisecond

/ˈsɛntɪˌsɛk(ə)nd/