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sepal

(Encyclopedia)sepal, a modified leaf, part of the outermost of the four groups of flower parts. The sepals of a flower are collectively called the calyx and act as a protective covering of the inner flower parts in...

Chauvin, Yves

(Encyclopedia)Chauvin, Yves, 1930–2015, French chemist, b. Menen, Belgium, grad. Lyon School of Chemistry, Physics, and Electronics (CPE), 1954. Chauvin was a research engineer (1960–91) and then research direc...

cytochrome

(Encyclopedia)cytochrome sīˈtəkrōmˌ [key], protein containing heme (see coenzyme) that participates in the phase of biochemical respiration called oxidative phosphorylation. Cytochromes act as carriers of hydr...

Gentile, Giovanni

(Encyclopedia)Gentile, Giovanni jōvänˈnē jāntēˈlā [key], 1875–1944, Italian philosopher and educator. He taught philosophy in several Italian universities and for many years contributed to the magazine of...

Goffe, William

(Encyclopedia)Goffe, William gôf [key], d. c.1679, English soldier and regicide. A personal adherent of Oliver Cromwell, he fought in the English civil war, signed the death warrant of Charles I, and became an adm...

Gosford, Archibald Acheson, 2d earl of

(Encyclopedia)Gosford, Archibald Acheson, 2d earl of gŏzˈfərd [key], 1776–1849, governor in chief of British North America (1835–37). He served in the British House of Commons and, after succeeding (1807) to...

Dodd, Samuel Calvin Tate

(Encyclopedia)Dodd, Samuel Calvin Tate, 1836–1907, American lawyer, b. Franklin, Pa. He was admitted to the Pennsylvania bar in 1859. Dodd was employed by the Rockefeller interests and is credited with devising t...

excommunication

(Encyclopedia)excommunication, formal expulsion from a religious body, the most grave of all ecclesiastical censures. Where religious and social communities are nearly identical it is attended by social ostracism, ...

Ferrari, Giuseppe

(Encyclopedia)Ferrari, Giuseppe fār-räˈrē [key], 1812–76, Italian philosopher and politician. A thorough skeptic in metaphysics, he devoted himself to the more active aspects of social, political, and histor...

endorphins

(Encyclopedia)endorphins ĕndôrˈfĭnz [key], neurotransmitters found in the brain that have pain-relieving properties similar to morphine. There are three major types of endorphins: beta endorpins, found primaril...