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hardness

(Encyclopedia)hardness, property of matter commonly described as the resistance of a substance to being scratched by another substance. The degree of hardness is relative, different substances being compared with o...

loris

(Encyclopedia)loris, name for slow-moving, nocturnal, arboreal primates of the family Lorisidae, found Africa and Asia. True lorises, found in India, Sri Lanka, and SE Asia, have round heads, large round eyes, and ...

lottery

(Encyclopedia)lottery, scheme for distributing prizes by lot or other method of chance selection to persons who have paid for the opportunity to win. The term is not applicable when lots are drawn without payment b...

Boyle, Robert

(Encyclopedia)Boyle, Robert, 1627–91, Anglo-Irish physicist and chemist. The seventh son of the 1st earl of Cork, he was educated at Eton and on the Continent and conducted most of his researches at his own labor...

Casanova de Seingalt, Giovanni Giacomo

(Encyclopedia)Casanova de Seingalt, Giovanni Giacomo kăzənōˈvə, Ital. jōvänˈnē jäˈkōmō käzänōˈvä dā sāngältˈ [key], 1725–98, Venetian adventurer, author, and celebrated libertine. He studied...

Venezuela Claims

(Encyclopedia)Venezuela Claims. In 1902, due to civil strife and to gross mismanagement during the administration of Cipriano Castro, Venezuelan finances were chaotic. Great Britain, Germany, and Italy were determi...

Waksman, Selman Abraham

(Encyclopedia)Waksman, Selman Abraham wäksˈmən [key], 1888–1973, American microbiologist, b. Priluka, Russia, grad. Rutgers (B.S. 1915), Ph.D. Univ. of California, 1918. He went to the United States in 1910 an...

Toland, John

(Encyclopedia)Toland, John tōˈlənd [key], 1670–1722, British deist, b. Ireland. Brought up a Roman Catholic, Toland became a Protestant at 16. He studied at Glasgow, Edinburgh, and Leiden and after 1694 lived ...

blowfly

(Encyclopedia)blowfly, name for flies of the family Calliphoridae. Blowflies are about the same size as, and resemble, the housefly; because they are usually metallic blue or green they are also called bluebottle o...

Shelley, Mary Wollstonecraft

(Encyclopedia)Shelley, Mary Wollstonecraft, 1797–1851, English author; daughter of William Godwin and Mary Wollstonecraft. In 1814 she fell in love with the poet Percy Bysshe Shelley, accompanied him abroad, and ...