Natural disposition; innate character; unalterable intrinsic traits and qualities (collectively).

plural of indole

plural of indolic

Any derivative of indole

Of or pertaining to indole, or having a similar structure

(organic chemistry) Any anion (or salt containing such an anion) derived from an indole by removal of the hydrogen atom bound to the nitrogen atom

plural of indolency

Alternative form of indole used for derivatives starting with a vowel

(organic chemistry) An organic compound, C₈H₇N, found in coal tar, and produced in the gut by the bacterial decomposition of tryptophan; it is an aromatic bicyclic heterocycle having a benzene ring fused with a pyrrole ring; indole and its derivatives occur widely in nature and have many industrial applications.

(obsolete) guileless