luminal
English
Etymology 1
From Latin lumina (“lights”) + -al.
Adjective
luminal (not comparable)
- (biology) of or pertaining to the lumen
- (physics) of or pertaining to the nature of light
- (physics) light-speed; having the speed of light (usually in the void)
Synonyms
- (physics): lumic
Antonyms
- (antonym(s) of “biology”): basalolateral
Derived terms
- (biology): transluminal, interluminal
- (physics): subluminal, superluminal
unsorted terms
Related terms
Etymology 2
From the brand name.
Noun
luminal (uncountable)
- (medicine) The drug phenobarbital.
Synonyms
- (medicine): sodium thiopental
Anagrams
Romanian
Etymology
Borrowed from German Luminal or French luminal.
Noun
luminal n (uncountable)
Declension
| singular only | indefinite | definite |
|---|---|---|
| nominative-accusative | luminal | luminalul |
| genitive-dative | luminal | luminalului |
| vocative | luminalule | |
Spanish
Adjective
luminal m or f (masculine and feminine plural luminales)
Noun
luminal m (plural luminales)