pendulum
noun /ˈpendʒələm/
/ˈpendʒələm/
- enlarge imagea long straight part with a weight at the end that moves regularly from side to side to control the movement of a clock
- (figurative) In education, the pendulum has swung back to traditional teaching methods.
- the pendulum of public opinion
Oxford Collocations DictionaryPendulum is used before these nouns:- clock
Word Originmid 17th cent.: from Latin, neuter (used as a noun) of pendulus ‘hanging down’.