luminal

Meanings

Noun

a long-acting barbiturate used as a sedative
The drug phenobarbital.

Adj

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

Origin / Etymology

From Latin lumina (“lights”) + -al.

Synonyms

lumic, phenobarbital, phenobarbitone, purple heart, sodium thiopental

Antonyms

basalolateral

Scrabble Score: 9

luminal is a valid Scrabble (US) TWL word
luminal is a valid Scrabble Word in Merriam-Webster MW Dictionary
luminal is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 14

luminal is a valid Words With Friends word