A person who has [patronizing] others down to an artform or science. Often times they may be uptight politicians or [do-gooder] suburban [soccer moms]. They almost always know theyre right even when the issue at hand is ambiguous.
A black, lustrous, fine-grained mixture of vanadium sulphides that occurs in Peru and is exploited as a source of vanadium; (in later use) specifically the monoclinic sulphide VS ₄.
