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Richardson, Ernest Cushing

(Encyclopedia)Richardson, Ernest Cushing, 1860–1939, American librarian and bibliographer, b. Woburn, Mass. He was assistant librarian at Amherst (1879–80), librarian and professor of bibliology at Hartford The...

fish curing

(Encyclopedia)fish curing. Methods of curing fish by drying, salting, smoking, and pickling, or by combinations of these processes have been employed since ancient times. On sailing vessels fish were usually salted...

fusion

(Encyclopedia)fusion, in physics. 1 The change of a substance from the solid to the liquid state, also known as melting. The heat given up by a unit mass of a substance during fusion is called the latent heat of fu...

temperature

(Encyclopedia)CE5 Temperature scales temperature, measure of the relative warmth or coolness of an object. Temperature is measured by means of a thermometer or other instrument having a scale calibrated in unit...

hydrotherapy

(Encyclopedia)hydrotherapy, use of water in the treatment of illness or injury. Although the medicinal and hygienic value of water was recognized by the early Greeks, hydrotherapy attained its widest use in the 18t...

heatstroke

(Encyclopedia)heatstroke, profound disturbance of the heat-regulating mechanism of the body, also known as sunstroke. It is characterized by extremely high body temperatures and sometimes by convulsions and coma. T...

rectifier

(Encyclopedia)rectifier, component of an electric circuit used to change alternating current to direct current. Rectifiers are made in various forms, all operating on the principle that current passes through them ...

neutralization

(Encyclopedia)neutralization, chemical reaction, according to the Arrhenius theory of acids and bases, in which a water solution of acid is mixed with a water solution of base to form a salt and water; this reactio...

Dean, Bashford

(Encyclopedia)Dean, Bashford, 1867–1928, American zoologist and armor expert, b. New York City, grad. College of the City of New York, 1886, Ph.D. Columbia, 1890. He taught zoology at Columbia (1891–1927), serv...

Merrick, David

(Encyclopedia)Merrick, David, 1912–2000, American theatrical producer, b. St. Louis, Mo., as David Margulois. Merrick began his remarkably successful series of theatrical productions in 1954 with Fanny, his first...