clock
/klɑk/ noun A1- Any device or mechanism that enables time to be measured or regulated. · A sundial is a type of clock that measures time through the movement of the sun's shadow.· Radioactive decay acts as a geological clock, revealing the age of the rock.
- In particular, a mechanical or electronic device that indicates the time of day through hands or a numeric display, and sometimes also through chimes.
- A time clock. · I can't go off to lunch yet: I'm still on the clock.· We let the guys use the shop's tools and equipment for their own projects as long as they're off the clock.
- An electrical signal that synchronizes timing among digital circuits of semiconductor chips or modules.
- A CPU clock cycle, or T-state.
- A common noun relating to an instrument that measures or keeps track of time. · A 12-hour clock system; an antique clock sale; Acme is a clock manufacturer.
- The seed head of a dandelion.
- A luck-based patience or solitaire card game with the cards laid out to represent the face of a clock.
Plural clocks
Phrasal verbs and expressions
- clock down To tick, buzz or become marked to indicate the passage of...
- clock in To begin working time, especially by punching in (enterin...
- clock off to leave work, especially by recording the leaving time o...
- clock on To grow older; to proceed.
- clock onto Synonym of clock on (but used transitively).
- clock out To end work; to officially record a time when one termina...
- clock up To accumulate (an amount of time or experience).
From the library
It was four o’clock when Dantès was placed in this chamber.
At last, about ten o’clock, and just as Dantès began to despair, steps were heard in the corridor, a key turned in the lock, the bolts creaked, the massy oaken door flew open, and a flood of light from two torches pervaded the apartment.
He had hurried back to the house, followed within a few minutes by the police sergeant, who arrived at the scene of the crime a little after twelve o’clock, after taking prompt steps to warn the county authorities that something serious was afoot.
And although the entertainment was fixed for twelve o’clock, an hour previous to that time the balcony was filled with impatient and expectant guests, consisting of the favored part of the crew of the Pharaon, and other personal friends of the bridegroom, the whole of whom had arrayed themselves in their choicest costumes, in order to do greater honor to the occasion.
Other matches
- clock To ornament C2
- clock To measure the duration of. C2
- clock A large beetle, especially the European dung be... C2
- clock A pattern near the heel of a sock or stocking. C2
- clock down To tick, buzz or become marked to indicate the ...
- clock in To begin working time, especially by punching in
- clock off to leave work, especially by recording the leav...
- clock on To grow older
Learn clock in real texts
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