What is the meaning of Uptake?

Understanding; comprehension.

Absorption, especially of food or nutrient by an organism.

The act of lifting or taking up.

A chimney.

The upcast pipe from the smokebox of a steam boiler towards the chimney.

To take up, to lift.

To absorb, as food or a drug by an organism.

To accept and begin to use, as a new practice.

Source: wiktionary.org