lumin-

combining form

variants or lumini-

: light

luminiferous

Word History

Etymology

Middle English lumin-, from Latin lumin-, lumen

Cite this Entry

Style

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

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Kids Definition

lumin-

combining form

: light

luminescence

Etymology

derived from Latin lumen "light"

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