trapdoor

See also: trap door

English

Alternative forms

Etymology

trap +‎ door

Noun

trapdoor (plural trapdoors)

  1. A hinged or sliding door set into a floor or ceiling.
  2. (theater) Such a trap set into the floor of a stage to allow fast exits and entrances.
  3. (computing) A secret method of obtaining access to a program or online system; a backdoor.
  4. (mathematics, cryptography) The special information that permits the inverse of a trapdoor function to be easily computed.
  5. (mining) A door in a level for regulating the ventilating current; a weather door.[1]

Synonyms

Derived terms

Translations
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

References
  1. 1881, Rossiter W. Raymond, A Glossary of Mining and Metallurgical Terms
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.