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intermolecular forces

(Encyclopedia)intermolecular forces, forces that are exerted by molecules on each other and that, in general, affect the macroscopic properties of the material of which the molecules are a part. Such forces may be ...

Leiden

(Encyclopedia)Leiden or Leyden both: līˈdən [key], city (1994 pop. 114,892), South Holland prov., W Netherlands, on the Old Rhine (Oude Rijn) River. Manufactures include medical equipment, machinery, graphic art...

David, Gerard

(Encyclopedia)David or Davit, Gerard both: gāˈrärt däˈvēt [key], c.1460–1523, Flemish painter, b. Oudewater, Holland. By 1484 he had established himself in Bruges, where he remained until his death. Depende...

Paulding, James Kirke

(Encyclopedia)Paulding, James Kirke pôlˈdĭng [key], 1778–1860, American author and public official, secretary of the navy (1838–41) under Van Buren, b. near Millbrook, N.Y. He collaborated with Washington Ir...

Stuart, John McDouall

(Encyclopedia)Stuart, John McDouall, 1815–66, Scottish explorer in Australia. He emigrated (1838) to S Australia; there, as a draftsman, he joined Charles Sturt's expedition (1844–45) to central Australia. Betw...

Eaton, Amos

(Encyclopedia)Eaton, Amos ēˈtən [key], 1776–1842, American naturalist, b. Chatham, N.Y., grad. Williams College, 1799. After practicing law for a time, he conducted pioneer geological surveys in Albany and Ren...

Fischart, Johann

(Encyclopedia)Fischart, Johann yōˈhän fĭshˈärt [key], b. 1548, d. 1590 or 1591, German satirist and moralist. He lived in Strasbourg. He translated and paraphrased works by Rabelais called Geschichtsklitterun...

Kieft, Willem

(Encyclopedia)Kieft, Willem vĭlˈəm kēft [key], 1597–1647, Dutch director-general of New Netherland. Arriving in New Amsterdam in 1638 to succeed Wouter Van Twiller, Kieft immediately assumed absolute control....

Poinsett, Joel Roberts

(Encyclopedia)Poinsett, Joel Roberts poinˈsĕt [key], 1779–1851, American diplomat and politician, b. Charleston, S.C. In 1810 he was sent as a special commissioner to South America to investigate political cond...

Vannes

(Encyclopedia)Vannes vän [key], town (1990 pop. 48,454), capital of Morbihan dept., NW France, in Brittany, on the Gulf of Morbihan. It is an important agricultural and tourist center that produces processed food,...