chrono-

1.
a combining form meaning “time,” used in the formation of compound words:
chronometer.
Also, especially before a vowel, chron-.
Origin
< Greek, combining form of chrónos
British Dictionary definitions for chrono-

chrono-

combining form
1.
indicating time: chronology, chronometer
Word Origin
from Greek khronos time
Word Origin and History for chrono-

before vowels chron-, word-forming element meaning "time," from Latinized form of Greek khrono-, comb. form of khronos "time, a defined time, a lifetime, a season, a while," which is of uncertain origin.

chrono- in Medicine

chrono- or chron-
pref.
Time: chronobiology.