For coins a Dime is a coin worth one tenth of a U.S. Dollar or Canadian Dollar and a quarter is a coin worth one quarter of a U.S. Dollar or Canadian Dollar.
For coins a nickel is a coin worth one twentieth of a U.S. Dollar. A Dime is a coin worth one tenth of a U.S. Dollar or Canadian Dollar and a quarter is a coin worth one quarter of a U.S. Dollar or Canadian Dollar.