This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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.

n. understanding, comprehension

n. absorption, especially of food or nutrient by an organism

n. a chimney

v. To take up, to lift.

v. To take into the hand; to take up; to help.

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.

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.

To take up; take into the hand.

To succor; help.

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.

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

"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."

gleg at the uptake   

on the uptake   

help    understanding    apprehension   

metabolism    homeostasis    absorption    toxicity    excretion    intake    oxidation    receptors    accumulation    necrosis