a department in W France. 2306 sq. mi. (5975 sq. km).
a department of W central France, in Poitou-Charentes region. Capital: Angoulême. Pop: 341 275 (2003 est). Area: 5972 sq km (2329 sq miles)
a river in W France, rising in the Massif Central and flowing west to the Bay of Biscay. Length: 362 km (225 miles)
Mathematics. the characteristic polynomial of a given matrix, equated to zero. Also called auxiliary equation. an equation with one variable and equated to zero, which is derived from a given linear differential equation and in which the coefficient and power of the variable in each term correspond to the coefficient and order of a derivative […]
charrette. a final, intensive effort to finish a project, especially an architectural design project, before a deadline. n. also charrette, c.1400, “a chariot, a cart,” from Old French charrete “wagon, small cart” (12c.), diminutive of charre (see car). Meaning “collaborative session” is by 1982.
noun Erwin. 1905–2002, US biochemist, born in Austria, noted esp for his work on DNA
to impose or ask as a price or fee: That store charges $25 for leather gloves. to impose on or ask of (someone) a price or fee: He didn’t charge me for it. to defer payment for (a purchase) until a bill is rendered by the creditor: The store let me charge the coat. to […]