plural in form but singular in construction
1
: the biology of energy transformations and energy exchanges (as in photosynthesis) within and between living things and their environments
2
: a system of physical and psychological therapy that is held to increase well-being by releasing blocked physical and psychic energy

Word History

First Known Use

1907, in the meaning defined at sense 1

Time Traveler
The first known use of bioenergetics was in 1907

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Cite this Entry

“Bioenergetics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioenergetics. Accessed 9 Jul. 2026.

Medical Definition

bioenergetics

noun, plural in form but singular in construction
1
: the biology of energy transformations and energy exchanges within and between living things and their environments
2
: a system of therapy that combines breathing and body exercises, psychological therapy, and the free expression of impulses and emotions and that is held to increase well-being by releasing blocked physical and psychic energy
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