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embossing

(Encyclopedia) embossing, process of producing upon various materials designs or patterns in relief by mechanical means. The material is pressed between a pair of dies especially adapted to its…

combing

(Encyclopedia) combing, process that follows carding in the preparation of fibers for spinning, lays the fibers parallel, and removes noils (short fibers). The modern combing machine is a specialized…

Edwards, Edwin Washington

(Encyclopedia) Edwards, Edwin Washington, 1927-2021, American politician, b. Avoyelles Parish, near Marksville, La., Louisiana State Univ. Law Center…

Purcell, Henry

(Encyclopedia) Purcell, HenryPurcell, Henrypûrˈsəl [key], c.1659–1695, English composer and organist. Often considered England's finest native composer, Purcell combined a great gift for lyrical…

ransom

(Encyclopedia) ransom, price of redemption demanded by the captor of a person, vessel, or city. In ancient times cities frequently paid ransom to prevent their plundering by captors. The custom of…

rape, in botany

(Encyclopedia) rape, in botany, annual herb (Brassica napus) of the family Cruciferae (or Brassicaceae; mustard family), belonging to the same genus as the cabbage, the mustard plant, and the turnip…

blood test

(Encyclopedia) blood test, examination of blood routinely or as an aid in diagnosing a suspected disease. Tests may be performed on whole blood or on the plasma portion only. Blood typing identifies…

mammography

(Encyclopedia) mammography, diagnostic procedure that uses low-dose X rays to detect abnormalities in the breasts. Tomosynthesis, also known as 3D mammography, is form of mammography that combines X-…

R

(Encyclopedia) R, 18th letter of the alphabet, corresponding to Greek rho. When in Latin alphabets the letters for p and r became similar in appearance, the rho form (P; which at first was used for…

plea bargaining

(Encyclopedia) plea bargaining, negotiation in which a defendant agrees to plead guilty to a criminal charge in exchange for concessions by the prosecutor (representing the state). The defendant…