CHRONOMETRIC; CHRONOMETRICAL Chron`o*met"ric, Chron`o*met"ric*al, a. Etym: [Cf. F. chronométrique.]

Defn: Pertaining to a chronometer; measured by a chronometer.

CHRONOMETRY
Chro*nom"e*try, n. Etym: [Cf. F. chronométrie.]

Defn: The art of measuring time; the measuring of time by periods or divisions.

CHRONOPHER
Chron"o*pher, n. Etym: [Gr.

Defn: An instrument signaling the correct time to distant points by electricity.

CHRONOPHOTOGRAPH
Chron`o*pho"to*graph, n. [Gr. time + photograph.]

Defn: One of a set of photographs of a moving object, taken for the purpose of recording and exhibiting successive phases of the motion. —Chron`o*pho*tog"ra*phy, n.

CHRONOSCOPE
Chron"o*scope, n. Etym: [Gr. -scope.]

Defn: An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc.