Evolvent

(Geom.) The curve or involute resulting from the evolution of a curve. Evor'a, a fortified town of Portugal, prov. Alentejo, 85 m. from Lisbon; pop. 11,000. Evreux, (e'vre(r.) a city of France, cap. of department Eure, on the Iton, 60 miles W.N.W. of Paris. Manuf . Cotton twist, woollen and cotton fabrics. Pop . 13,884. Evul's ion, n. [Lat. evulsio, from evello , evulsis -e, ex, and vello , to pluck.] Act of plucking or pulling out by force. Ew'ington, in Ohio , a post-office of Gallia co. Ew'ingville, in New Jersey , a post-office of Mercer co. Ew'ry, n. An office in the household of the kings of England, where they take care of the linen for the king's table, lay the cloth, and serve up water after dinner. Ex, a Latin preposition or prefix, signifying out of , out , proceeding from, and sometimes implying off , from , or out. In some words it is merely emphatic; ez , prefixed to names of office, denotes that a person has formerly held that office, but has resigned, been deposed, abdieated, or dismi ed, as ex -chancellor, ez - minister. When prefixed to a functionary, it becomes a legal term, as ex officio , or by virtue of his office. Thus, in England, all justices of the peace are ex-officio members of the board of guardians in the union in which their jurisdiction lies. Exacerbate, ( eks - as'er - bate ,) v. a. [Lat. exacerbo, ex acerb at us -ex, and acerbo , from acerb us , harsh, sharp, sour. See ACERB.) To make harsh, sharp, or sour; to exasperate; to imbitter; to irritate; to provoke; to incense; to inflame; to increase the malignant qualities of; to increase the violence of a disease. Exacerbation, Exacerbes'cence, n. [Fr.; from L. Lat. exacerbatio .] Act of imbittering or exasperating; the irritation of angry or malignant pa ions or qualities; increase of malignity.