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Zephaniah
Zephaniah , prophetic book of the Bible. The prophet, who lived in the reign (c.640-609 BC) of King Josiah of Judah, traces his genealogy to King Hezekiah . Zephaniah denounces Judah for idolatry, luxury, and for presuming on God's protection. The Day of the Lord, the prophet announces, will bring ...
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blockade
blockade use of naval forces to cut off maritime communication and supply. Blockades may be used to prevent shipping from reaching enemy ports, or they may serve purposes of coercion. The term is rarely applied to land sieges. During the Napoleonic wars, both France and Great Britain attempted to c...
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addition
addition fundamental operation of arithmetic, denoted by +. In counting, a + b represents the number of items in the union of two collections having no common members (disjoint sets), having respectively a and b members. In geometry a + b might, for example, represent the area of the union ...
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subtraction
subtraction fundamental operation of arithmetic; the inverse of addition. If a and b are real numbers (see number ), then the number a - b is that number (called the difference) which when added to b (the subtractor) equals a (the subtrahend). In terms of addition the symbol - b is call...
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food additives
food additives substances added to foods by manufacturers to prevent spoilage or to enhance appearance, taste, texture, or nutritive value. By quantity, the most common food additives are flavorings, which include spices, vinegar, synthetic flavors, and, in the greatest abundance, sweeteners (e.g.,...
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cribbage
cribbage , card game played by two persons with a deck of 52 cards and a scoring (pegging) device known as a cribbage board. The board contains four rows of 30 holes each (two rows for each player), plus additional holes, called game holes. Each player gets two pegs to keep the score. The English po...
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William Henry Pickering
William Henry Pickering 1858-1938, American astronomer, b. Boston, grad. Massachusetts Institute of Technology (B.S., 1879). He taught at the Massachusetts Institute of Technology (1880-87) and at Harvard Observatory. Between 1878 and 1901 he led five solar eclipse expeditions and established sever...
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saturation
saturation of an organic compound, condition occurring when its molecules contain no double or triple bonds and thus cannot undergo addition reactions. For example, ethane (H 3 C-CH 3 ) is a saturated compound. A compound is called unsaturated if it can undergo addition reactions. In the unsaturate...
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Human Genome Project
Human Genome Project international scientific effort to map all of the genes on the 23 pairs of human chromosomes and, to sequence the 3.1 billion DNA base pairs that make up the chromosomes (see nucleic acid ). Begun in 1990 with the goal of enabling scientists to understand the basis of gene...
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Jewish liturgy
Jewish liturgy rites, observances, and procedures of Judaism. Communal prayer, with a quorum of ten men (or in some modern communities, ten people), replaced the priests of the Temple cult. There are three daily services, with additional ones for the Sabbath and festivals. The fixed components ar...
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