isopycnic

adjective

iso·​pyc·​nic ˌī-sō-ˈpik-nik How to pronounce isopycnic (audio)
1
: of, relating to, or marked by equal or constant density
2
: being or produced by a technique (such as centrifugation) in which the components of a mixture are separated on the basis of differences in density

Word History

Etymology

is- + Greek pyknos dense

First Known Use

circa 1890, in the meaning defined at sense 1

Time Traveler
The first known use of isopycnic was circa 1890

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Cite this Entry

“Isopycnic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isopycnic. Accessed 4 Feb. 2026.

Medical Definition

isopycnic

adjective
iso·​pyc·​nic ˌī-sō-ˈpik-nik How to pronounce isopycnic (audio)
1
: of, relating to, or marked by equal or constant density
2
: being or produced by a technique (as centrifugation) in which the components of a mixture are separated on the basis of differences in density
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