DYNAMICS

dynamics, kinetics

(noun) the branch of mechanics concerned with the forces that cause motions of bodies

Source: WordNet® 3.1

Etymology

Noun

dynamics pl (plural only)

(mechanics) The branch of mechanics that is concerned with the effects of forces on the motion of objects.

(music) The volume of the sound, such as piano, mezzo piano, mezzo forte, and forte.

Source: Wiktionary

Dy*nam"ics, n.

1. That branch of mechanics which treats of the motion of bodies (kinematics) and the action of forces in producing or changing their motion (kinetics). Dynamics is held by some recent writers to include statics and not kinematics.

2. The moving moral, as well as physical, forces of any kind, or the laws which relate to them.

3. (Mus.)

Definition: That department of musical science which relates to, or treats of, the power of tones.

DYNAMIC

Dy*nam"ic, Dy*nam"ic*al, a. Etym: [Gr. durus hard, E. dure: cf. F. dynamique.]

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. Relating to physical forces, effects, or laws; as, dynamical geology. As natural science has become more dynamic, so has history. Prof. Shedd. Dynamical electricity. See under Electricity.

Source: Webster’s Unabridged Dictionary 1913 Edition