crystal clock
noun
: quartz-crystal clock
Word History
First Known Use
1937, in the meaning defined above
- twentiest
- twentieth
- twentieth-century cut
- twentiether
- twentiethest
- twentieths
- twenty
- twenty questions
- twenty-eight
- twenty-eighth
- twenty-fifth
- twenty-first
- twenty-firster
- twenty-five
- twenty-four
- twenty-four hours a day
- twenty-four seven
- twenty-fourmo
- twenty-fourmos
- twenty-fours
- twenty-fourth
- twenty-nine
- twenty-ninth
- twenty-one
- twenty-penny nail