from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A passage for drawing up smoke or air.
  • n. Understanding; comprehension: very quick on the uptake.
  • n. An act of taking in or absorbing, especially into a living organism.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. understanding, comprehension
  • n. absorption, especially of food or nutrient by an organism
  • n. a chimney
  • v. To take up, to lift.

from the GNU version of the Collaborative International Dictionary of English

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

from The Century Dictionary and Cyclopedia

  • To take up; take into the hand.
  • To succor; help.
  • n. 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.
  • n. The act of taking up; lifting.
  • n. 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.

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

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


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


  • In blue states, we have out of wedlock abortions instead of out of wedlock births (well, we try to teach birth control but the uptake is never 100%).

    The Volokh Conspiracy » “Do ‘Family Values’ Weaken Families?”

  • And it made little difference that atom-splitting, radar, and television were British discoveries, since like jazz and cinema the main uptake of all the big ideas was on the American side of the Atlantic.

    Downhill All the Way

  • He has contributed strongly to the development of selective serotonin uptake blockers, a new generation of antidepressive drugs.

    Physiology or Medicine for 2000 - Press Release

  • These data support the increased long-term uptake of NUEDEXTA, as we continue with our launch efforts and get increased accumulative exposure to doctors.

  • Amazon’s S3 service took this approach and their uptake is too slow, there’s no visible momentum (I know I’ll get lots of links for saying that).

    Scripting News for 6/26/2006 « Scripting News Annex

  • "I don't want to be a scaremonger," Goldacre writes, "but it's relatively easy to spot drops in uptake of vaccines that happen immediately after major scare stories, or, perhaps, a major TV drama.

    Vaccine myths and irresponsibility

  • A common measure of aerobic efficiency is "VO2 max," or optimal oxygen uptake, which is determined using special equipment and a treadmill.

    The Week in Ideas

  • What thread holds the record for quickest uptake, that is the greatest number of posts in the course of the first hour after it appeared?

    The Volokh Conspiracy » Justice Stevens to Retire

  • The design, if you are slow on the uptake is a crop circle.

    Archive 2007-11-01

  • "On the other hand, the non-pharmacological options were free from adverse events and the exercise group increased oxygen uptake, which is very positive."

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