記時計,記秒錶
Chronograph \Chron"o*graph\, n. [Gr. ? time + -graph: cf. F.
chronographe.]
1. An instrument for measuring or recording intervals of
time, upon a revolving drum or strip of paper moved by
clockwork. The action of the stylus or pen is controlled
by electricity.
2. Same as {Chronogram}, 1. [R.]
3. A chronoscope.
chronograph
n : an accurate timer for recording time