lume

L1U1M3E1
/ˈluːm/

noun

A luminescent paint used to make a timepiece's dial readable in the dark.

UncommonScrabble 6
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Meanings

nounlume (countable and uncountable, plural lumes)

plural lumes

  1. countableinformaluncountableA luminescent paint used to make a timepiece's dial readable in the dark.

    LumiNova and Super-LumiNova fall into the category of photoluminescent lumes.

    2021, Thomas M. Meine, Vintage Watches - Radium and Tritium, page 16
    1 more example

    Within the realm of vintage watch restoration there are few sub-specialties as controversial as dial lume.

    2020, Colin A. White, The Vintage Rolex Field Manual Chevalier Digital Edition, page 46

Origin

Short for luminous or luminescent.

Full word history & related roots →

Rhymes & wordplay

Anagrams

mule
Cite this entry
APA

lume. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/lume

MLA

“lume.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lume. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “lume,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/lume.

Source: lume on Wiktionary, CC BY-SA 4.0.