Object

• sec: Tara Wilson set up another Wakefield one-two in the 300m hurdles clocking 51.2 secs to beat shot winner Ridsdale.

Converse of object

• tick: Now they're on a hospital roof confronting a rapidly ticking medical clock.

• chime: Opposite is the mechanism of former cathedral chiming clocks, the earliest parts dating from the 15th century.

• synchronize: This system synchronizes a high quality clock at the receiving terminal with a similar clock on the sending terminal.

• turn: Let's turn the clock back 100 years to 1906.

Adjective modifier

• circadian: The daily rhythm of life is maintained by a circadian clock in organisms ranging from bacteria to humans.

• atomic: The vault breathed in blue in time with the atomic clock.

• astronomical: James Ferguson himself designed several astronomical clocks and orreries for use in his lectures.

• biological: Scared that her biological clock is going tick tick tick boom.

• 24-hour: The time is entered based on a 24-hour clock.

• 12-hour: Some countries use a 24-hour clock; others use a 12-hour clock.

Modifies a noun

• tower: There are 334 steps to climb the clock tower; children under 14 are not allowed.

• speed: DSP's start to be outstripped by the Power PC Chip at about 132 MHz clock speed.

Noun used with modifier

• alarm: The type of alarm clock your deaf child chooses will depend on how heavy a sleeper they are.

• cuckoo: Has the immortal line about cuckoo clocks which, according to Wikipedia, isn't even accurate.

• grandfather: Near a grandfather clock to the south, French windows lead to a cool balcony overlooking the formal gardens.

• pendulum: Instructions are given on how to construct a pendulum clock, and readers ' questions are answered.

• longcase: A late 18th century mahogany longcase clock, 87 ½ ' ' high.

• countdown: The Timers view offers 4 countdown clocks which can be run simultaneously.

Possessives

• o: Face the front of the boat at twelve o ' clock.