Triskaidekaphobia

The literal meaning for triskaidekaphobia is 'superstition about the number thirteen', but it is also used by extension to describe 'fear of Friday the 13th'.

• This definition is from the Urban Legends site http://urbanlegends.about.com/cs/historical/a/friday_the_13th.htm

You can read more about triskaidekaphobia in the Oxford English Dictionary (in GALILEO ).

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