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The Collaborative International Dictionary
Biodynamics

Biodynamics \Bi`o*dy*nam"ics\, n. [Gr. bi`os life + E. dynamics.]

  1. (Biol.) The doctrine of vital forces or energy. [archaic]

  2. The branch of biology which treats of the active vital phenomena of organisms; -- opposed to biostatics.

Wiktionary
biodynamics

n. biodynamic agricultural practices.