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Eudes

(Encyclopedia)Eudes ōˈdō [key], c.860–898, count of Paris, French king (888–898). The son of Robert the Strong, he was an antecedent of the Capetian royal house in France. He defended Paris against the Norse...

Peng Dehuai

(Encyclopedia)Peng Dehuai or P'eng Teh-huai both: pŭngˈ dŭˈhwīˈ [key], 1898–1974, Communist Chinese general and political leader. He held various command positions in the Red Army, and in 1934–35 he joine...

Pyrenees, Peace of the

(Encyclopedia)Pyrenees, Peace of the, 1659, treaty ending the warfare between France and Spain that, continuing after the Peace of Westphalia, which ended the Thirty Years War, had been complicated by French interv...

nerve gas

(Encyclopedia)nerve gas, any of several poison gases intended for military use, e.g., tabun, sarin, soman, and VX. Nerve gases were first developed by Germany during World War II but were not used at that time. The...

Valens

(Encyclopedia)Valens väˈlənz [key], c.328–378, Roman emperor of the East (364–78). Brother and coregent of Valentinian I, Valens followed in most respects his brother's policies but, unlike him, embraced Ari...

Brest-Litovsk, Treaty of

(Encyclopedia)Brest-Litovsk, Treaty of brĕst-lĭtôfskˈ [key], separate peace treaty in World War I, signed by Soviet Russia and the Central Powers, Mar. 3, 1918, at Brest-Litovsk (now Brest, Belarus). After the ...

camouflage

(Encyclopedia)camouflage kămˈəfläzh [key], in warfare, the disguising of objects with artificial aids, especially for the purpose of making them blend into their surroundings or of deceiving the observer as to ...

homosexuality

(Encyclopedia)homosexuality, a term created by 19th cent. theorists to describe a sexual and emotional interest in members of one's own sex. Today a person is often said to have a homosexual or a heterosexual orien...

enzyme

(Encyclopedia)enzyme, biological catalyst. The term enzyme comes from zymosis, the Greek word for fermentation, a process accomplished by yeast cells and long known to the brewing industry, which occupied the atten...

space medicine

(Encyclopedia)space medicine, study of the medical and biological effects of space travel on living organisms. The principal aim is to discover how well and for how long humans can withstand the extreme conditions ...