Mortgage brokers, lawyers, and appraisers all had to cancel their vacations and work around the clock.
In Emilia Romagna, important churches and clock towers damaged in a series of springtime earthquakes will never be repaired.
Now, the school is surrounded by 12 guards, round the clock, who are under orders to shoot anyone who tries to hurt a student.
If anyone is working round the clock to besmirch the reputation of Pit Bulls it is Pit Bulls themselves.
It turns out that only when Muhammad Ali is in a boxing ring can he, or does he choose to, turn back the clock.
His eye is on the clock; he will rise in time, and he will rise in comfort!
With considerable of a to-do, Mrs. Norris announced the gift of a grandfather's clock.
What say you to ten of the clock this night for our setting out?
Servants sometimes say "she" of a clock, but every one gives a gender to vessels.
A clock may stand still, but a nation which does so is retrograde.
late 14c., clokke, originally "clock with bells," probably from Middle Dutch clocke (Dutch klok) "a clock," from Old North French cloque (Old French cloke, Modern French cloche), from Medieval Latin (7c.) clocca "bell," probably from Celtic (cf. Old Irish clocc, Welsh cloch, Manx clagg "a bell") and spread by Irish missionaries (unless the Celtic words are from Latin); ultimately of imitative origin.
Replaced Old English dægmæl, from dæg "day" + mæl "measure, mark" (see meal (n.1)). The Latin word was horologium; the Greeks used a water-clock (klepsydra, literally "water thief"). Image of put (or set) the clock back "return to an earlier state or system" is from 1862. Round-the-clock (adj.) is from 1943, originally in reference to bomber air raids.
"ornament pattern on a stocking," 1520s, probably identical with clock (n.1) in its older sense and meaning "bell-shaped ornament."
"to time by the clock," 1883, from clock (n.1). The slang sense of "hit, sock" is 1941, originally Australian, probably from earlier slang clock (n.) "face" (1923). Related: Clocked; clocking.
[first sense probably related to clock, ''face'']
A circuit in a processor that generates a regular sequence of electronic pulses used to synchronise operations of the processor's components. The time between pulses is the cycle time and the number of pulses per second is the clock rate (or frequency).
The execution times of instructions on a computer are usually measured by a number of clock cycles rather than seconds. Clock rates for various models of the computer may increase as technology improves, and it is usually the relative times one is interested in when discussing the instruction set.