variants or amylo-
: starch
amyloplast

Word History

Etymology

combining form from Latin amylum "fine grain, starch," borrowed from Greek ámylon, noun derivative from neuter of ámylos "not ground with a millstone (hence, hand-ground)," from a- a- entry 2 + -mylos, derivative of mýlē "quern, millstone" — more at meal entry 2

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Cite this Entry

“Amyl-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amyl-. Accessed 10 Jun. 2026.

Medical Definition

amyl

noun
am·​yl ˈam-əl How to pronounce amyl (audio)
: a univalent hydrocarbon radical C5H11 that occurs in various isomeric forms and is derived from pentane

called also pentyl

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