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Acton, John Emerich Edward Dalberg Acton, 1st Baron

(Encyclopedia)Acton, John Emerich Edward Dalberg Acton, 1st Baron, 1834–1902, English historian, b. Naples; grandson of Sir John Francis Edward Acton and of Emmerich Joseph, duc de Dalberg. Denied entrance into C...

sea cucumber

(Encyclopedia)sea cucumber, any of the flexible, elongated echinoderms belonging to the class Holothuroidea. Although sea cucumbers have the basic echinoderm radial symmetry (see Echinodermata), they do not have ar...

seasonal affective disorder

(Encyclopedia)seasonal affective disorder (SAD), recurrent fall or winter depression characterized by excessive sleeping, social withdrawal, depression, overeating, and pronounced weight gain. SAD effects an estima...

Sheridan, Richard Brinsley

(Encyclopedia)Sheridan, Richard Brinsley, 1751–1816, English dramatist and politician, b. Dublin. His father, Thomas Sheridan, was an actor and teacher of elocution and his mother, Frances Sheridan, published two...

Crimean-Congo hemorrhagic fever

(Encyclopedia)Crimean-Congo hemorrhagic fever, acute, sometimes fatal disease endemic in many parts of Eurasia and Africa, caused by a tick-borne virus. The virus, an RNA virus (Nairovirus) of the Bunyaviridae fami...

tuatara

(Encyclopedia)tuatara –tāˈrə [key], lizardlike reptile, Sphenodon punctatus, last survivor of the reptilian order Rhynchocephalia, which flourished in the early Mesozoic era before the rise of the dinosaurs. A...

Potawatomi

(Encyclopedia)Potawatomi pŏtˌəwŏtˈəmē [key], Native North Americans whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They are close...

Price, Vincent Leonard, Jr.

(Encyclopedia) Price, Vincent Leonard, Jr., 1911-93, American film actor, b. St. Louis, Mo., Yale Univ. (B.A., 1933). Price studied English and art in college and th...

Procopius the Great

(Encyclopedia)Procopius the Great, Czech Prokop Holý, d. 1434, Czech Hussite leader. A priest, he joined the Hussite movement (see Hussites) and distinguished himself as a captain under John Zizka in the Hussite W...

Panama Papers

(Encyclopedia)Panama Papers, popular name for the some 11.5 million internal documents belonging to the Panamanian-based law firm Mossack Fonseca that revealed information about secret offshore companies and bank a...