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Chimney vs Undefined - What's the difference?

chimney | undefined |

As a noun chimney

is a vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon or hydro-carbon based fuels); a flue.

As a verb chimney

is (climbing) to negotiate a chimney (sense #4) by pushing against the sides with back, feet, hands, etc.

As an adjective undefined is

lacking a definition or value.

chimney

English

(wikipedia chimney)

Noun

(en noun)
  • A vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon or hydro-carbon based fuels); a flue.
  • * 1883:
    • Our chimney was a square hole in the roof: it was but a little part of the smoke that found its way out, and the rest eddied about the house, and kept us coughing and piping the eye.
  • The glass flue surrounding the flame of an oil lamp.
  • (British) The smokestack of a steam locomotive.
  • A narrow cleft in a rock face; a narrow vertical cave passage.

    • Derived terms

    * chimney pot * chimney stack * chimney sweep * chimney-money * chimney-duty

    Verb

    (en verb)
  • (climbing) To negotiate a chimney (sense #4) by pushing against the sides with back, feet, hands, etc.

    • See also

    * cowl * fireplace * flaunching * flue * smokestack * stove English refractory feminine rhymes

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined