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Phillips, William Daniel

(Encyclopedia)Phillips, William Daniel, 1948–, American physicist, b. Wilkes-Barre, Pa., Ph.D. Massachusetts Institute of Technology, 1976. He has been a researcher at the National Institute of Standards and Tech...

Miranda v. Arizona

(Encyclopedia)Miranda v. Arizona, U.S. Supreme Court case (1966) in the area of due process of law (see Fourteenth Amendment). The decision reversed an Arizona court's conviction of Ernesto Miranda on kidnapping an...

motorboating

(Encyclopedia)motorboating, sport of navigating a motor-powered vessel on the water. It is done on either fresh- or saltwater and may be competitive or recreational. The first successful motorboat traveled (1887) a...

multiple personality

(Encyclopedia)multiple personality, a very rare psychological disorder in which a person has two or more distinct personalities, each with its own thoughts, feelings, and patterns of behavior. The personalities oft...

Mahdi

(Encyclopedia)Mahdi mäˈdē [key] [Arab.,=he who is divinely guided], in Sunni Islam, the restorer of the faith. He will appear at the end of time to restore justice on earth and establish universal Islam. The Mah...

kitchen

(Encyclopedia)kitchen, separate room or other space set aside for the cooking or preparation of meals. When cooking first moved indoors, it was performed, with other domestic labors, in the common room, where the f...

tense

(Encyclopedia)tense [O.Fr., from Lat.,=time], in the grammar of many languages, a category of time distinctions expressed by any conjugated form of a verb. In Latin inflection the tense of a verb is indicated by a ...

tracer

(Encyclopedia)tracer, an identifiable substance used to follow the course of a physical, chemical, or biological process. In chemistry the ideal tracer has the same chemical properties as the molecule it replaces a...

fetus

(Encyclopedia)fetus, term used to describe the unborn offspring in the uterus of vertebrate animals after the embryonic stage (see embryo). In humans, the fetal stage begins seven to eight weeks after fertilization...

grafting

(Encyclopedia)CE5 Two methods of grafting grafting, horticultural practice of uniting parts of two plants so that they grow as one. The scion, or cion, the part grafted onto the stock or rooted part, may be a s...