In pharmacology, an abnormal reaction to a drug, sometimes specified as genetically determined. idiosyncrasy. 1. a habit peculiar to an individual. idiosyncrasy. 1. A structural or behavioral characteristic peculiar to an individual or group. 2. A physiological or temperamental peculiarity.
John Baldwin (born 3 January 1946), better known by his stage name John Paul Jones, is an English multi-instrumentalist, songwriter, composer, arranger and record producer. Best known as the bassist, keyboardist, and co-songwriter for the English rock band Led Zeppelin, Jones has since developed a solo career.
After several successful years as a merchant skipper in the West Indies trade, John Paul emigrated to the British colonies in North America and there added Jones to his name. At the outbreak of the American Revolution, Jones was in Virginia.