English version

combination lock in Technology topic

From Longman Dictionary of Contemporary Englishcombination lockˌcombiˈnation lock noun [countable]  combination_lock.jpg TDa lock which can only be opened by using a series of numbers or letters in a particular order
Examples from the Corpus
combination lockNext to it was a steel security cupboard fitted with a combination lock.I took it down from the wall to reveal the circular door of a wall safe with a combination lock.The case sported matching brass hardware, including a pair of clasps, each with its own three-number combination lock.The only thing holding me up would be fumbling at the combination lock or renting a towel.Remember the analogy of the combination lock.