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green vitriol

(Encyclopedia)green vitriol, the heptahydrate of ferrous sulfate. ...

Green, Matthew

(Encyclopedia)Green, Matthew, 1696–1737, English poet. His one important poem, The Spleen (1737), marked by its wit, was in praise of the contemplative life. ...

Green Revolution

(Encyclopedia)Green Revolution, term referring mainly to dramatic increases in cereal-grain yields in many developing countries beginning in the late 1960s, due largely to use of genetically improved varieties. Beg...

green algae

(Encyclopedia)green algae: see algae; Chlorophyta. ...

Gretna Green

(Encyclopedia)Gretna Green, village, Dumfries and Galloway, S Scotland, on the border with England. It was famous as a place of runaway marriages from 1754, when English marriage law was tightened, until 1856, when...

Green, Hetty

(Encyclopedia)Green, Hetty, 1835–1916, American financier, b. Henrietta Howland Robinson, New Bedford, Mass. She inherited a large fortune from her father and invested it so shrewdly that she was considered the g...

Green, Thomas Hill

(Encyclopedia)Green, Thomas Hill, 1836–82, English idealist philosopher. Educated at Oxford, he was associated with the university all his life. He was professor of moral philosophy there from 1878 until his deat...

Green, Samuel Swett

(Encyclopedia)Green, Samuel Swett, 1837–1918, American librarian, b. Worcester, Mass. Green was librarian of the Worcester, Mass., Free Public Library (1871–1909) and was a member of the Free Public Library Com...

Green, Theodore Francis

(Encyclopedia)Green, Theodore Francis, 1867–1966, American politician, b. Providence, R.I. After studying law at Harvard and in Europe, he was admitted to the bar (1892) and practiced in Providence. Active in Dem...

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