clock radio noun

An electronic apparatus combining the functions of alarm clock and radio, esp for bedside use (also alarm radio or radio alarm)

clock speed noun (computing)

The speed of a microprocessor's internal clock, controlling the rate at which it can make calculations, expressed in megahertz

clock tower noun

A usu square tower having a clock at the top with a face on each exterior wall

clock-watcher, clock-watching see watch the clock below.

clockˈwork noun

1. The works or machinery of a clock
2. Steady, regular machinery like that of a clock (see also like clockwork and regular as clockwork below)

adjective

Operated by clockwork

against the clock

Making an effort to overcome shortage of time or achieve the shortest time

beat the clock

To finish a job, task, etc before the time limit runs out

clock in, out, on or off

To register time of coming or going, in or out, or on or off duty

clock up (informal)

To reach or record (a certain speed, score, etc)

know what o'clock it is

To be wide awake, to know how things are

like clockwork

As smoothly as if driven by clockwork

o'clock (for earlier of the clock)

1. As reckoned or shown by the clock
2. In a direction corresponding to that which would be taken by the hour-hand of a horizontal clock relative to a person standing at the centre and facing twelve

put back the clock or put the clock back

1. To return to earlier time and its conditions
2. To take a retrograde step

put the clock (or clocks) back or forward

To alter the clocks to allow for the change from or to summer time

regular as clockwork

Always happening at the same time

round the clock

For the whole of a twenty-four hour period

watch the clock

To keep watch on the passage of time, eagerly waiting for one's work-time to finish and usu doing only the minimum amount of work required (clockˈ-watcher noun; clockˈ-watching noun)

alarm /ə-lärmˈ/

1. A state of (esp sudden) fear
2. Apprehension of danger
3. A warning of danger
4. A mechanical contrivance for arousing, warning, or giving notice
5. The noise made by such a device
6. Orig a call to arms
7. A din (obsolete)

1. To strike with fear
2. To arouse, startle or agitate
3. To give notice of danger
4. To fit or switch on an alarm
5. To call to arms (obsolete)

alarmedˈ adjective

alarmˈedly adverb

alarmˈing adjective

alarmˈingly adverb

alarmˈism noun

alarmˈist noun

A scaremonger or someone who is easily alarmed (also adjective)

alarum /ə-laˈrəm, -läˈ or -lāˈ/ noun and transitive verb

Alarm (now archaic except of a warning mechanism or sound)

alarmˈ-bell noun

A bell warning of danger

alarm call noun

A telephone service by which a subscriber can arrange to be called at a particular time, eg to wake him or her in the morning

alarm clock noun

A clock that can be set to ring an alarm at a chosen time

alarmˈ-radio noun

A clock radio

alarms (or alarums) and excursions

1. A stage direction for a sketchy conventionalized representation of skirmishing or the outskirts of a battle
2. Hence, vague hostilities or confused activity

give, raise or sound the alarm

To give the signal to prepare for an emergency