Columbia Encyclopedia

Search results

500 results found

quinidine

(Encyclopedia)quinidine kwĭnˈĭdēnˌ [key], heart muscle relaxant used to maintain regular heart rhythm patterns. It is an alkaloid chemically similar to quinine and, like quinine, occurs naturally in some speci...

Londonderry, Robert Stewart, 2d marquess of

(Encyclopedia)Londonderry, Robert Stewart, 2d marquess of: see Castlereagh, Robert Stewart, 2d Viscount. ...

Bruce, Edward

(Encyclopedia)Bruce, Edward, d. 1318, Scottish king of Ireland, brother of Robert I of Scotland. He aided his brother in the war for independence from England and in 1315 was declared heir to Robert's throne. With ...

Oxford, Robert Harley, 1st earl of

(Encyclopedia)Oxford, Robert Harley, 1st earl of: see Harley, Robert, 1st earl of Oxford. ...

Orford, Robert Walpole, 1st earl of

(Encyclopedia)Orford, Robert Walpole, 1st earl of: see Walpole, Robert, 1st earl of Orford. ...

Albany, Robert Stuart, 1st duke of

(Encyclopedia)Albany, Robert Stuart or Stewart, 1st duke of: see Stuart, Robert, 1st duke of Albany. ...

herbal medicine

(Encyclopedia)herbal medicine, use of natural plant substances (botanicals) to treat and prevent illness. The practice has existed since prehistoric times and flourishes today as the primary form of medicine for pe...

Chartres, Robert d'Orléans, duc de

(Encyclopedia)Chartres, Robert d'Orléans, duc de: see Orléans, family. ...

Clive, Robert, Baron Clive of Plassey

(Encyclopedia)Clive, Robert, Baron Clive of Plassey plăsˈē [key], 1725–74, British soldier and statesman. He went to India in 1743 as a clerk for the British East India Company and entered the military service...

Essex, Robert Devereux, 2d earl of

(Encyclopedia)Essex, Robert Devereux, 2d earl of dĕvˈəro͞oksˌ, –ro͞oˌ, –rĕksˌ [key], 1567–1601, English courtier and favorite of Queen Elizabeth I. Succeeding to the earldom on the death (1576) of hi...