from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A passage for drawing up smoke or air.
  • noun Understanding; comprehension.
  • noun An act of taking in or absorbing, especially into a living organism.

from The Century Dictionary.

  • noun A pipe or duct or channel leading gas, water, steam, or other liquid upward from below: used of part of a boiler furnace flue-system, in the gas-producer, blast-furnace, and elsewhere; specifically, a flue leading hot gas from the combustion-chamber or smoke-box to the chimney, in gas-making or in boiler-settings.
  • noun The act of taking up; lifting.
  • noun Perceptive power; apprehension; conception: as, he is quick in the uptake. Scott, Old Mortality, vii. The upcast pipe from the smoke-box of a steam-boiler, leading to the chimney.
  • To take up; take into the hand.
  • To succor; help.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The pipe leading upward from the smoke box of a steam boiler to the chimney, or smokestack; a flue leading upward.
  • noun Scot. Understanding; apprehension.
  • transitive verb obsolete To take into the hand; to take up; to help.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun understanding, comprehension
  • noun absorption, especially of food or nutrient by an organism
  • noun dated a chimney
  • verb archaic To take up, to lift.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the process of taking food into the body through the mouth (as by eating)
  • noun a process of taking up or using up or consuming


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English uptaken, equivalent to up- +‎ take.


    Sorry, no example sentences found.


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