millilumen

M3I1L1L1I1L1U1M3E1N1

noun

One thousandth (10⁻³) of a lumen.

Scrabble 14

Meanings

nounmillilumen (plural millilumens)

plural millilumens

  1. One thousandth (10⁻³) of a lumen.

    Two sine-wave experiments were performed: one with a large swing in amplitude approximately 7.5 millilumens; and one with a smaller amplitude, approximately 1.9 millilumens.

    1968, Lawrence Stark, “The Pupillary Control System: Its Nonlinear Adaptive and Stochastic Engineering Design Characteristics”, in IFAC Proceedings Volumes, volume 2, number 4, →DOI, page 525

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sm̥-
  3. Proto-Indo-European*smih₂
  4. Proto-Indo-European*ǵʰes-
  5. Proto-Indo-European*ǵʰéslom
  6. Proto-Indo-European*ǵʰéslih₂
  7. Proto-Indo-European*smih₂ǵʰéslih₂
  8. Proto-Italic*smīɣeslī
  9. Latinmīlle
  10. Frenchmilli-
  11. Englishmilli-
  12. Englishlumen
  13. Englishmillilumen

From milli- + lumen.

Full word history & related roots →
Cite this entry
APA

millilumen. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/millilumen

MLA

“millilumen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/millilumen. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “millilumen,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/millilumen.

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