Luminal

adj, noun

adj, noun ·3 syllables ·Uncommon ·College level

Definitions

Noun

1
The drug phenobarbital. uncountable
2
a long-acting barbiturate used as a sedative wordnet

Adjective

1
of or pertaining to the lumen not-comparable
2
of or pertaining to the nature of light not-comparable
3
light-speed; having the speed of light (usually in the void) not-comparable

Synonyms

alcohol analgesic anodyne barb barbiturate blue

Antonyms

basalolateral dark dim extraluminal

Etymology

Etymology 1

From Latin lumina (“lights”) + -al.

Etymology 2

From the brand name.

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