An example of the phobia
. The elevator does not have the "13th floor".
Triskaidekaphobia is the fear of the number thirteen. The number 13 has been linked to bad luck in the western superstition. Buildings in the United States does not have the "13th floor".
The term was first used by Isador Coriat in Abnormal Psychology.
There is also a fear of Friday the 13th. This fear is called paraskevidekatriaphobia or friggatriskaidekaphobia.
13 is not unlucky. People have no reason to fear it.
Images for kids
The exposed lift shaft of an apartment block under construction. The lift shaft has numbers marking the levels, but the 13th level is instead marked with a heart.
The disaster that occurred on Apollo 13 may have been a factor that led to a renaming that prevented a mission called STS-13
An elevator in a residential apartment building in Shanghai: the 4th, 13th and 14th floors in height are deliberately not so named, such numbers are skipped.
Stall numbers at Santa Anita Park progress from 12 to 12A to 14, as does Eaton Square, London
Alternate mission patch of STS-41C, with a 13 and a black cat, as it landed on April 13th, which was a Friday the 13th and this was the mission originally scheduled as STS-13.