21) law. The Columbia Encyclopedia, Sixth Edition. 2001
...Modern law has a wide sweep and regulates many branches of conduct. 1 Development of Early LawLaw does not develop systematically until a state with a centralized...
22) lichen. The Columbia Encyclopedia, Sixth Edition. 2001
...Lichens commonly grow on rocks, trees, fence posts, and similar objects. There are about 25,000 species, most comprised of a sac fungus (Ascomycete) and a green alga...
23) macrame. The Columbia Encyclopedia, Sixth Edition. 2001
...The term derives from an Arabic word for braided fringe. Its first known use was recorded by Arabs in the 13th cent. During the next hundred years it spread to S...
24) photostat. The Columbia Encyclopedia, Sixth Edition. 2001
...photostat, (fo´tstat´) (KEY) , reproduction of any printed or simple black-and-white material, such as drawings or manuscripts, made by the Photostat, a photographic...
25) fructose. The Columbia Encyclopedia, Sixth Edition. 2001
...Chemically it is a monosaccharide (see carbohydrate) with the empirical formula C6H12O6. It has the same formula as glucose but differs from it in structure (see...
26) amino acid. The Columbia Encyclopedia, Sixth Edition. 2001
...These compounds are the building blocks of proteins. They are characterized by the presence of a carboxyl group (COOH) and an amino group (NH2) attached to the same...
27) carbohydrate. The Columbia Encyclopedia, Sixth Edition. 2001
...These compounds are produced naturally by green plants from carbon dioxide and water (see photosynthesis). Carbohydrates are important as foods; they supply energy...
28) computer terminal. The Columbia Encyclopedia, Sixth Edition. 2001
...Computer terminals vary greatly depending on the format of the data they handle. For example, a simple early terminal comprised a typewriter keyboard for input and...
29) fruit. The Columbia Encyclopedia, Sixth Edition. 2001
...After the egg nucleus, or ovum, has been fertilized (see fertilization) and the embryo plantlet begins to form, the surrounding ovule (see pistil) develops into a...
30) harmonic motion. The Columbia Encyclopedia, Sixth Edition. 2001
...More complex harmonic motion can be analyzed as combinations of two or more simple harmonic motions. Examples of objects whose motion approximates SHM are a pendulum...
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