D defs.my
Entry 2 senses Webster, 1913

Dynamic

/dīn-ăm'-ĭk/ · Dy·nam·ic · IPA /daɪˈnæm.ɪk/
01 a. Of or pertaining to dynamics; belonging to energy or power; characterized by energy or production of force.
  1. 1.
    Of or pertaining to dynamics; belonging to energy or power; characterized by energy or production of force.
    “Science, as well as history, has its past to show, -- a past indeed, much larger; but its immensity is dynamic, not divine.” — J. Martineau.
    “The vowel is produced by phonetic, not by dynamic, causes.” — J. Peile.
  2. 2.
    Relating to physical forces, effects, or laws; as, dynamical geology.
    “As natural science has become more dynamic, so has history.” — Prof. Shedd.
Phrases & compounds
Dynamical electricity — See under Electricity.