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Phoenician art

(Encyclopedia)Phoenician art. The Phoenician region developed as a major trade center of the ancient world; consequently Phoenician art clearly reflects the influences of Egypt, Syria, and Greece. Phoenician deitie...

Waltham

(Encyclopedia)Waltham wôlˈthăm, –thəm [key], city (1990 pop. 57,878), Middlesex co., E Mass., a suburb of Boston, on the Charles River; settled c.1634, set off from Watertown 1738, inc. as a city 1884. It is ...

carob

(Encyclopedia)carob kărˈəb [key], leguminous evergreen tree (Ceratonia siliqua) of the family Leguminosae (pulse family), native to Mediterranean regions but cultivated in other warm climates, including Florida ...

soap plant

(Encyclopedia)soap plant, any of various plants having cleansing properties. A few are of commercial importance, but most soap plants are used locally, as in early times, for toilet and laundry purposes. The soapba...

chromium

(Encyclopedia)chromium krōˈmēəm [key] [Gr.,=color], metallic chemical element; symbol Cr; at. no. 24; at. wt. 51.9961; m.p. about 1,857℃; b.p. 2,672℃; sp. gr. about 7.2 at 20℃; valence +2, +3, +6. Chromiu...

quasicrystal

(Encyclopedia)quasicrystal kwāˈzīkrĭsˌtəl, kwäzˈē– [key] or quasiperiodic solid, solid body that exhibits such crystalline features as symmetry and repeating patterns of unit cells (regular arrangements ...

Mantua

(Encyclopedia)Mantua mănˈcho͞oə, –to͞oə [key], Ital. Mantova, city (1991 pop. 53,065), capital of Mantova prov., Lombardy, N Italy, bordered on three sides by lakes formed by the Mincio River. It is an agri...

assaying

(Encyclopedia)assaying əsāˈyĭng, ăsˈāyĭng [key], in metallurgy, process of determining the specific metallic content of an ore, alloy, or other substance, especially one containing precious metals. It consi...

tetraethyl lead

(Encyclopedia)tetraethyl lead tĕtˌrəĕthˈəl [key], (C2H5)4Pb, viscous, colorless, poisonous liquid. It is an organometallic compound prepared by reacting ethyl chloride with a sodium-lead alloy. When added to ...

hydrogen sulfide

(Encyclopedia)hydrogen sulfide, chemical compound, H2S, a colorless, extremely poisonous gas that has a very disagreeable odor, much like that of rotten eggs. It is slightly soluble in water and is soluble in carbo...