metabolism
noun
me·tab·o·lism
| \ mə-ˈta-bə-ˌli-zəm
\
\
Definition of metabolism
1a
: the sum of the processes in the buildup and destruction of protoplasm
specifically
: the chemical changes in living cells by which energy is provided for vital processes and activities and new material is assimilated (see assimilate entry 1 sense 1b)
Regular exercise can help to increase your metabolism.
b
: the sum of the processes by which a particular substance is handled in the living body
c
: the sum of the metabolic activities taking place in a particular environment
the metabolism of a lake
2
: metamorphosis sense 2
—usually used in combination holometabolism