uptake
n. uncountablen. the rate at which people start using a new service or idea. It can also mean the way your body absorbs a substance like a medicine.
n. the action of taking up or making use of something that is available; the absorption of a substance into a living system.
The uptake of the new vaccine has been very high.
Despite the government's marketing campaign, the initial uptake of the digital identity scheme was slower than expected.
Researchers are monitoring the cellular uptake of the drug to determine if the delivery mechanism is efficient enough for mass production.
From Middle English uptaken (“to take up, lift”), partial calque of earlier Middle English upnimen (“to take up, lift”), equivalent to up- + take. Compare Swedish upptaga, uppta (“to take up”).
Often used with 'of' to indicate the resource or service being utilized.