an opaque, brown glass containing fine, gold-colored particles.
any of several varieties of minerals, especially quartz or feldspar, spangled with bright particles of mica, hematite, or other minerals.
a dark-coloured glass, usually green or brown, spangled with fine particles of gold, copper, or some other metal
Also called sunstone. a light-coloured translucent variety of orthoclase feldspar containing reddish-gold particles of iron compounds
a variety of quartz containing red or greenish particles of iron oxide or mica: a gemstone
a wide street or main thoroughfare. a means of access or attainment: avenues of escape; avenues to greater power. a way or means of entering into or approaching a place: the various avenues to India. Chiefly British. a wide, usually tree-lined road, path, driveway, etc., through grounds to a country house or monumental building. a […]
1091?–1162, Arab physician and writer in Spain: founder of Almohad dynasty. Historical Examples The most famous of the professors were Averroes, Albucasis and Avenzoar. The Evolution of Modern Medicine William Osler Ebn Zoar, better known as Avenzoar, may be looked upon as the authority in Moorish pharmacy. History of the Intellectual Development of Europe, Volume […]
to assert or affirm with confidence; declare in a positive or peremptory manner. Law. to allege as a fact. Historical Examples He was at the moment a graceful and silencing rebuke to those who aver that manner and attire be interdependent. The Spenders Harry Leon Wilson But doth he aver that his people were used […]
a quantity, rating, or the like that represents or approximates an arithmetic mean: Her golf average is in the 90s. My average in science has gone from B to C this semester. a typical amount, rate, degree, etc.; norm. Statistics. arithmetic mean. Mathematics. a quantity intermediate to a set of quantities. Commerce. a charge paid […]