(management) “chief X officer”, with X as functional placeholder (finance, operating etc.) / Initialism of chief experience officer.

(organic chemistry) A tetracyclic aromatic heterocycle composed of a benzene ring fused with a phenanthridine residue / (organic chemistry) Any of a large class of alkaloids based on this structure

A small village in Betws Garmon community, Gwynedd, Wales (OS grid ref SH5652).

Of or pertaining to a xanthoma.