Your ShelfYour Projects
Webster's Dictionary (1865)

Dȳ-năm'ics, n. sing.

nounsingular
  1. That branch of mechanics which treats of the action of forces producing motion in bodies; the science of moving forces; — opposed to statics. [See Note under MATHEMATICS.]
  2. The moving moral, as well as physical, forces of any kind, or the laws which relate to them.
  3. (Mus.) That department of musical science which relates to, or treats of, the force of musical sounds.