An alkaloid with the chemical formula C₂₀H₂₄N₂O₂ originally derived from cinchona bark (from plants of the genus Cinchona) used to treat malaria and as an ingredient of tonic water, which presents as a bitter colourless powder; also, a drug containing quinine or a chemical compound derived from it.
Criticism or invective that is sustained and overly harsh; abuse, severe blame or censure.
The act of vituperating; severely blaming or censuring.