uptake

Short definition from Wiktionary

Noun

1. 1
   Understanding; comprehension.
2. 2
   Absorption, especially of food or nutrient by an organism.
3. 3
   The act of lifting or taking up.
4. 4
   A chimney.
5. 5
   The upcast pipe from the smokebox of a steam boiler towards the chimney.

Verb

1. 1
   To take up, to lift.
2. 2
   To absorb, as food or a drug by an organism.
3. 3
   To accept and begin to use, as a new practice.