spir-

combining form

variants or spiri- or spiro-
1
: coil : twist
Spiranthes
spirivalve
Spirochaeta
2
: a chemical compound that contains one or more systems of two rings having a single atom in common with a resulting figure-eight arrangement of atoms
spiropentane

Word History

Etymology

Late Latin spir-, from Latin spira

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Dictionary Entries Near spir-

spionid

spir-

spirable

See More Nearby Entries 

Cite this Entry

“Spir-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spir-. Accessed 22 Nov. 2024.

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