| 释义 |
tim·er
\ˈtīmə(r)\ noun
(-s)
Etymology: time (II) + -er
1. : one that measures, records, or regulates time: as
a. : timepiece; especially : a stopwatch for timing races or contests
b. : timekeeper
c. : a device in the ignition system of an internal-combustion engine that causes the spark to be produced in the cylinder at the correct time either by the interruption or by the closing of the primary circuit — compare distributor
d. : one who determines the exposure time to be used to obtain a satisfactory print of each scene of a motion-picture negative
e. : one who corrects the escapement of timepieces
f.
(1) : a device (as a clock) that indicates by means of an audible signal the end of the interval of time for which it is set
(2) : a device for automatically starting or stopping a machine or other device at a given time or for automatically controlling the operating interval
2. [time (I) + -er] : one that does or serves in or for a specified time
< a first timer in this office >
: one that has a specified relationship to time
< young-timers hep to the special needs of the holiday season — advt > |