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Wayland

(Encyclopedia)Wayland, town (1990 pop. 11,874), Middlesex co., E Mass., W of Boston; settled c.1638, inc. 1835. Electronic and chemical research is carried on there. ...

Tm

(Encyclopedia)Tm, chemical symbol for the element thulium. ...

resonance, in chemistry

(Encyclopedia)resonance, in chemistry: see chemical bond. ...

matter

(Encyclopedia)matter, anything that has mass and occupies space. Matter is sometimes called koinomatter (Gr. koinos=common) to distinguish it from antimatter, or matter composed of antiparticles. The atomic th...

Fréron, Louis Marie Stanislas

(Encyclopedia)Fréron, Louis Marie Stanislas frārôNˈ [key], 1754–1802, French revolutionary; son of Élie Fréron. After the outbreak (1789) of the French Revolution, he founded a radical journal, Orateur du ...

Parnassians

(Encyclopedia)Parnassians pärnăsˈēənz [key], group of 19th-century French poets, so called from their journal the Parnasse contemporain. Issued from 1866 to 1876, it included poems of Leconte de Lisle, Banvill...

actin

(Encyclopedia)actin, a protein abundantly present in many cells, especially muscle cells, that significantly contributes to the cell's structure and motility. Actin can very quickly assemble into long polymer rods ...

nephrosis

(Encyclopedia)nephrosis nəfrōˈsəs [key], kidney disease characterized by lesions of the epithelial lining of the renal tubules, resulting in marked disturbance in the filtration function and the consequent appe...

Carrier, Jean Baptiste

(Encyclopedia)Carrier, Jean Baptiste zhäN bätēstˈ kärēāˈ [key], 1756–94, French Revolutionary. An extreme Jacobin, he demanded the establishment of a revolutionary tribunal, and, as a revolutionary repres...

carboxyl group

(Encyclopedia)carboxyl group kärbŏkˈsĭl [key], in chemistry, functional group that consists of a carbon atom joined to an oxygen atom by a double bond and to a hydroxyl group, OH, by a single bond. Carboxylic a...