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sunburn

(Encyclopedia)sunburn, inflammation of the skin caused by actinic rays from the sun or artificial sources. Moderate exposure to ultraviolet radiation is followed by a red blush, but severe exposure may result in bl...

sawfly

(Encyclopedia)sawfly, common name for insects of several families of the order Hymenoptera, which also includes the ants, wasps, and bees. Sawflies are named for the two sawtoothed blades of the female's ovipositor...

verb

(Encyclopedia)verb, part of speech typically used to indicate an action. English verbs are inflected for person, number, tense and partially for mood; compound verbs formed with auxiliaries (e.g., be, can, have, do...

Sharpton, Rev. Al

(Encyclopedia) Sharpton, Rev. Al (Alfred Charles Sharpton), 1954- , African-American minister and civil rights activist, b, Brownsville, Brooklyn, N.Y. A child-prodi...

Clement VI, pope

(Encyclopedia)Clement VI, 1291–1352, pope (1342–52), a Frenchman named Pierre Roger; successor of Benedict XII. His court was at Avignon. He had been archbishop of Sens, archbishop of Rouen, and cardinal (1338)...

Turkish language

(Encyclopedia)Turkish language, member of the Turkic subdivision of the Altaic subfamily of the Ural-Altaic family of languages (see Uralic and Altaic languages). Turkish is the official language of Turkey and one ...

horsetail

(Encyclopedia)horsetail, any plant of the genus Equisetum [Lat.,=horse bristle], the single surviving genus of a large group (Equisetophyta) of primitive vascular plants. Like the ferns and club mosses, relatives o...

sex

(Encyclopedia)sex, term used to refer both to the two groups distinguished as males and females, and to the anatomical and physiological characteristics associated with maleness and femaleness. Sex relates to the t...

circulatory system

(Encyclopedia)CE5 Circulatory system circulatory system, group of organs that transport blood and the substances it carries to and from all parts of the body. The circulatory system can be considered as compose...

Neher, Edwin

(Encyclopedia)Neher, Edwin, 1944–, German biophysicist, Ph.D. Technical Univ. of Munich, 1970. He has been a researcher at the Max Planck Institute for Biophysical Chemistry, Göttingen, Germany, since 1972. Nehe...