SINCE 1828

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unit circle

noun

Definition of unit circle

:a circle having a radius of 1

First Known Use of unit circle

1852

Seen and Heard

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WORD OF THE DAY

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serious difficulty or misfortune

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Irregardless

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One goose, two geese. One moose, two... moose. What's up with that?

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Which of these things doesn't belong?

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Name that government! Or something like that.

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A game of winding words.

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