Aqua Regia

Science / Chemistry / Aqua Regia: A mixture of nitric and hydrochloric acids, usually 1:3 or 1:4 parts HNO3 to HCl, used to dissolve gold.

Aquarian Age

Science / Astrology / Aquarian Age: A time period of 2000 years where the influence of Aquarius is prominent. An age lasts for 2000 years and moves backward through the Zodiac. The Age of Aquarius starts at approximately the new millenn MORE

Aquatint

Entertainment / Photography / Aquatint: Etching technique allowing control of tonal areas to produce almost unlimited gradations from pale gray to black. Because of this it has also been used in photography as an alternative term for gum bi MORE

Age Of Aquarius

Science / Astrology / Age Of Aquarius: The Great Year that begins around the turn of the twenty-first century and lasts for two thousand years. Universal developments of an Aquarian nature are expected to take place during this era. MORE

National Aquaculture Act Of 1980

Business / Agriculture / National Aquaculture Act Of 1980: P.L. 96-362 (September 26, 1980), as amended, is intended to promote and support the development of private aquaculture and to ensure coordination among the various federal agencies that have aquacult MORE

Aquarelle

Life Style / Painting / Aquarelle: The French term for the process and product of painting in transparent watercolour. MORE

Aquavit

Entertainment / Liquor / Aquavit: Scandanavian Vodka flavored with caraway, dill and other herbs and spices. MORE

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