ACTIVE TRANSPORT

 I. (noun) 

Sense 1

Meaning:

Transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy

Classified under:

Nouns denoting natural processes

Hypernyms ("active transport" is a kind of...):

transport (an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes)

Domain category:

drug (a substance that is used as a medicine or narcotic)

Credits