n.
Pronunciation: ' krä-n ə - ˌ graf, ' kr ō -
Function: noun
Date: 1851
: an instrument for measuring and recording time intervals: as a : an instrument having a revolving drum on which a stylus makes marks b : STOPWATCH also : a watch incorporating the functions of a stopwatch c : an instrument for measuring the time of flight of projectiles
– chro · no · graph · ic \ ˌ krä-n ə - ' gra-fik, ˌ kr ō - \ adjective
– chro · nog · ra · phy \ kr ə - ' nä-gr ə -f ē \ noun