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roulette

(Encyclopedia)roulette ro͞olĕtˈ [key], game of chance popular in gambling casinos, and in a simplified form elsewhere. In gambling houses the roulette wheel is set in an oblong table. Its outer area is marked of...

Saint-Pierre, Charles Irénée Castel, Abbé de

(Encyclopedia)Saint-Pierre, Charles Irénée Castel, Abbé de shärl ērānāˈ kästĕlˈ äbāˈ də săN-pyĕrˈ [key], 1658–1743, French social philosopher. An advocate of natural religion and toleration, he ...

Asmara

(Encyclopedia)Asmara äsmäˈrä, äz– [key], city (2020 pop. 963,000), capital of Eritrea, at an altitude of c.7,300 ft (2,225 m). The name also appears as Asmera. A commercial and i...

oscillator, electronic

(Encyclopedia)oscillator, electronic ŏsˈəlāˌtər [key], electronic circuit that produces an output signal of a specific frequency. An oscillator generally consists of an amplifier having part of its output ret...

antifreeze

(Encyclopedia)antifreeze, substance added to a solvent to lower its freezing point. The solution formed is called an antifreeze mixture. Antifreeze is typically added to water in the cooling system of an internal-c...

arc, in electricity

(Encyclopedia)arc, in electricity, highly luminous and intensely hot discharge of electricity between two electrodes. The arc was discovered early in the 19th cent. by the English scientist Sir Humphry Davy, who so...

Bronzino, Il

(Encyclopedia)Bronzino, Il ēl brōntsēˈnō [key], 1503–72, Florentine painter, an important mannerist (see mannerism), whose real name was Agnolo di Cosimo di Mariano. Bronzino was a pupil and adopted son of J...

Ware, Henry

(Encyclopedia)Ware, Henry, 1764–1845, American clergyman, instrumental in the founding of Unitarianism in the United States, b. Sherborn, Mass., grad. Harvard, 1785. As pastor (1787–1805) of the First Church, H...

bioluminescence

(Encyclopedia)bioluminescence bīˌōlo͞oˌmĭnĕsˈəns [key], production of light by living organisms. Organisms that are bioluminescent include certain fungi and bacteria that emit light continuously. The dinof...

recorder

(Encyclopedia)recorder, musical wind instrument of the flute family, made of wood, varying in length, and having an inverted conical bore (largest end near the mouthpiece). Its tone is produced by an air stream aga...