Word.ws English Dictionary

luminal

luminal adjective: of or pertaining to the lumen.

Adjective

luminal (not comparable)

  1. of or pertaining to the lumen
  2. of or pertaining to the nature of light
  3. light-speed; having the speed of light (usually in the void)

Noun

luminal (uncountable)

  1. The drug phenobarbital.

luminal meaning in Tamil

luminal in Tamil

குழாய் குழல்

Synonyms of luminal

Antonyms

Origin of luminal

From Latin lumina (“lights”) + English -al.

From the brand name.

Words formed from luminal

Questions about luminal

What does luminal mean?
Luminal means of or pertaining to the lumen.
What is luminal in Tamil?
Luminal in Tamil is குழாய் குழல். See Luminal meaning in Tamil.
What part of speech is luminal?
Luminal can be an adjective or a noun.

Words near luminal in the dictionary

  1. lumina
  2. luminacin
  3. luminacins
  4. luminaire
  5. luminaires
  6. luminal
  7. luminally
  8. luminance
  9. luminances
  10. luminant
  11. luminants

Source and license

Adapted from Wiktionary: luminal (page history and authors); luminal (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “luminal.” Word.ws, https://word.ws/luminal. Based on Wiktionary, CC BY-SA 4.0.