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adj

luminal

Luminal (adj) means of or pertaining to the lumen.

adj
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)
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Etymology

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

Rhymes for luminal

See all rhymes for luminal →

Frequently asked questions

What is the meaning of luminal?

"luminal" (adj) means of or pertaining to the lumen.

What are the different meanings of luminal?

"luminal" has 3 main meanings: 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).

Definitions from wiktionary, CC BY-SA · etymology from Wiktionary