Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The study of the flow and transformation of energy.
  • noun The flow and transformation of energy within a particular system.

from The Century Dictionary.

  • noun The science of the general laws of energy.

from the GNU version of the Collaborative International Dictionary of English.

  • noun rare That branch of science which treats of the laws governing the physical or mechanical, in distinction from the vital, forces, and which comprehends the consideration and general investigation of the whole range of the forces concerned in physical phenomena.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics The branch of physics that studies the flow and transformation of energy
  • noun The flow and transformation of energy within a specific system or device

Etymologies

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