13

13 (previous 12, next 14)

1. The cardinal number thirteen.
   • 1944 November and December, “Notes and News: Bufferstop Collisions in Northern Ireland”, in Railway Magazine (in English), page 370:

     A remarkable feature of the accident was that the engine was 4-4-2 tank No. 13, the guard's brake was No. 13, and there were 13 wagons in the train.

   • 2019 December 13, Marika Gerken, “Friday the 13th: How it came to be and why it’s considered unlucky”, in CNN‎^[1] (in English):

     The great Austrian-American composer Arnold Schoenberg had such a severe case of triskaidekaphobia (the fear of the number 13), he omitted numbering the 13th measure in some of his later works, substituting it with the notation “12a.”

   • 2021 August 12, Christobel Hastings, “Why is Friday the 13th unlucky? The cultural origins of an enduring superstition”, in CNN‎^[2] (in English):

     There’s even a name to describe the irrational dread of the date: paraskevidekatriaphobia — a specialized form of triskaidekaphobia, a fear of the number 13.

• 13 percenter

Decomposition of the alphabet B, which is homophonous to 屄 (bī).

13

1. (Mandarin, chiefly Internet slang) alternative form of 屄 (bī)