A coin of the United States or Canada worth ten cents.
a dime a dozen
Overly abundant; commonplace.
on a dime
At a precise point; within a narrowly defined area: a sports car that stops on a dime.
[Middle English, tenth part, from Old French disme, from Latin decima (pars), tenth (part), from decem, ten; see dek in the Appendix of Indo-European roots.]
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