plural in form but singular or plural in construction
: a branch of science concerned with the application of physical principles and methods to biological problems

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of biophysics was in 1892

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Cite this Entry

“Biophysics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biophysics. Accessed 7 Jul. 2026.

Kids Definition

biophysics

noun
: a branch of science concerned with applying the principles and methods of physics to biological problems

Medical Definition

biophysics

noun
: a branch of science concerned with the application of physical principles and methods to biological problems

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