DYNAMIC

I. adjective Etymology: French dynamique, from Greek dynamikos powerful, from dynamis power, from dynasthai to be able Date: 1827 1. (also ~al) of or relating to physical force or energy, of or relating to ~s, 2. marked by usually continuous and productive activity or change , energetic , forceful , requiring periodic refreshment of charge in order to retain data, ~ally adverb II. noun Date: 1868 a ~ force, ~s 2