carboline
Word Rarity
Very rare
Frequency: Zipf frequency 1.20 in modern English
13
Scrabble Score
9
Letters
3
Syllables
9
Unique Chars
Meaning
noun
Any of four isomeric tricyclic heterocycles, derivatives of which often have biological action, consisting of a pyridine ring fused with the five-membered ring of an indole.