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1337: 1337: Leet or Leetspeak (often written in Leet as 1337 or 13375p34k) is a writing system used primarily on the Internet, but nowadays also in most online video games as well, which uses various combinations of alphanumerics to replace proper letters. Wikipedia
aeolipile: aeolipile: An ancient prototypal steam engine, consisting of a spherical or cylindrical vessel fitted with circumferential exhaust jets and mounted to permit free rotation about the steam inlet axis. American Heritage Dictionary