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fruit

(Encyclopedia)CE5 Types of fruit fruit, matured ovary of the pistil of a flower, containing the seed. After the egg nucleus, or ovum, has been fertilized (see fertilization) and the embryo plantlet begins to fo...

block book

(Encyclopedia)block book. Before and after the invention of printing from movable types in the mid-15th cent., some books were printed in Europe from engraved wooden blocks, with one block for each page. This metho...

drugs

(Encyclopedia)drugs, substances used in medicine either externally or internally for curing, alleviating, or preventing a disease or deficiency. At the turn of the century only a few medically effective substances ...

Eleanor of Aquitaine

(Encyclopedia)Eleanor of Aquitaine ăkwĭtānˈ, ăkˈwĭtān [key], 1122?–1204, queen consort first of Louis VII of France and then of Henry II of England. Daughter and heiress of William X, duke of Aquitaine, s...

Eleanor of Castile

(Encyclopedia)Eleanor of Castile kăstēlˈ [key], d.1290, queen consort of Edward I of England and daughter of Ferdinand III of Castile. At her marriage (1254) she brought to Prince Edward the territories of Ponth...

Eleanor of Provence

(Encyclopedia)Eleanor of Provence prôväNsˈ [key], d. 1291, queen consort of Henry III of England. The daughter of Raymond Berengar, count of Provence, she was married to Henry in 1236. She was a vigorous and inc...

Diagoras of Rhodes

(Encyclopedia)Diagoras of Rhodes, ancient Greek athlete, fl. 5th cent. b.c. A boxer and wrester, he won an Olympic championship in 464 b.c. and won numerous times at the Pythian, Isthmian, and Nemean games. Pindar ...

Didymus of Alexandria

(Encyclopedia)Didymus of Alexandria, d. c.396, Greek grammarian and theologian, also called Didymus the Blind. His treatise On the Holy Ghost was translated by St. Jerome, who studied briefly with him. Although Did...

Diogenes of Apollonia

(Encyclopedia)Diogenes of Apollonia ăpəlōˈnēə [key], 5th cent. b.c., Greek philosopher. An eclectic, he reverted to the Milesian tradition of a century earlier in seeking to explain the constitution of all ma...

Dion of Syracuse

(Encyclopedia)Dion of Syracuse dīˈən [key], 409?–354? b.c., Sicilian Greek political leader, brother-in-law of Dionysius the Elder, tyrant of Syracuse. He became interested in philosophy through his acquaintan...