Arid

Business / Agriculture / Arid: A relatively dry climate in which annual precipitation is less than 10 inches, which generally is insufficient for crops to be grown without irrigation. Such areas usually are the focus of debate over federal water policies.

Oligosaccharide

Science / Chemistry / Oligosaccharide: A carbohydrate that consists of only a few linked monosaccharide units. MORE

Polysaccharide

Science / Chemistry / Polysaccharide: A carbohydrate consisting of a large number of linked monosaccharide units. Examples of polysaccharides are cellulose and starch. MORE

Polysaccharides

Science / Biology / Polysaccharides: Long chains of monosaccharide units bonded together; e.g., glycogen, starch, and cellulose. MORE

Disaccharides

Science / Biology / Disaccharides: 1. Sugars made up of two monosaccharides held together by a covalent bond; e.g., sucrose and lactose. 2. Type of sugar (saccharide) composed of two sugar molecules bonded together with an ester (coval MORE

Aridity

Science / Biology / Aridity: The condition of receiving sparse rainfall; associated with cooler climates because cool air can hold less water vapor than warm air. Many deserts occur in relatively warm climates, however, because o MORE

Monosaccharides

Science / Biology / Monosaccharides: Simple carbohydrates, usually with a five- or six-carbon skeleton; e.g., glucose and fructose. A carbohydrate composed of a single sugar unit, such as glucose, ribose, deoxyribose, etc. MORE

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