Main Entry:

dy·nam·ics

Pronunciation:

\dī-ˈna-miks\

Function:

noun plural but singular or plural in construction

Date:

circa 1789

1 : a branch of mechanics that deals with forces and their relation primarily to the motion but sometimes also to the equilibrium of bodies 2 : a pattern or process of change, growth, or activity <population dynamics> 3 : variation and contrast in force or intensity (as in music)