triskaidekaphobia

noun tris·kai·deka·pho·bia \ˌtris-ˌkī-ˌde-kə-ˈfō-bē-ə, ˌtris-kə-\

Definition of TRISKAIDEKAPHOBIA

: fear of the number 13

New Latin, from Greek treiskaideka thirteen (from treis three + kai and + deka ten) + New Latin phobia — more at three, ten

First Known Use: circa 1911

Medical Dictionary

noun tris·kai·deka·pho·bia \ˌtris-ˌkī-ˌdek-ə-ˈfō-bē-ə, ˌtris-kə-\

: fear of the number 13

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