Skip to main content

Search results

500 results found

monkey-puzzle tree

(Encyclopedia) monkey-puzzle tree, evergreen tree (Araucaria araucana) native to Chile and widely cultivated elsewhere as an ornamental. The symmetrical branches have an unusual angularity and are completely covered...

Jura, mountain range, France and Switzerland

(Encyclopedia) Jura jo͝orˈə, Fr. zhüräˈ, Ger. yo͞oˈrä [key], mountain range, part of the Alpine system, E France and NW Switzerland, occupying parts of the French region of Franche-Comté and the Swiss cant...

Piltdown man

(Encyclopedia) Piltdown man, name given to human remains found during excavations (1908–15) at Piltdown, Sussex, England, by Charles Dawson. The find led to much speculation and argument. Since they were found wit...

Selborne, Roundell Palmer, 1st earl of

(Encyclopedia) Selborne, Roundell Palmer, 1st earl of sĕlˈbôrn [key], 1812–95, British jurist and statesman. Called to the bar in 1837, he entered Parliament in 1847 as a nominal Conservative. He soon was assoc...

toxin

(Encyclopedia) toxin, poison produced by living organisms. Toxins are classified as either exotoxins or endotoxins. Exotoxins are a diverse group of soluble proteins released into the surrounding tissue by living ba...

Essex, Robert Devereux, 3d earl of

(Encyclopedia) Essex, Robert Devereux, 3d earl of, 1591–1646, English parliamentary general; son of Robert Devereux, 2d earl of Essex. James I restored him (1604) to the estates of his father and arranged his marr...

Anaxagoras

(Encyclopedia) Anaxagoras ănˌəksăgˈərəs [key], c.500–428 b.c., Greek philosopher of Clazomenae. He is credited with having transferred the seat of philosophy to Athens. He was closely associated with many f...

Wilbur, John

(Encyclopedia) Wilbur, John, 1774–1856, American Quaker leader, b. Hopkinton, R.I. He became the leader of the opposition to the evangelical principles of J. J. Gurney and Elias Hicks, and his expulsion (1843) by ...

Flourens, Pierre

(Encyclopedia) Flourens, Pierre (Marie Jean Pierre Flourens) pyĕr flo͞oräNsˈ [key], 1794–1867, French physiologist. He demonstrated the respiratory center in the medulla and the function of the cerebellum in m...
✖
 

Browse by Subject