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multiplexing

(Encyclopedia) multiplexing, in communication, technique whereby two or more independent messages, or information-bearing signals, are carried by a single common medium, or channel. When multiplexing…

asphyxia

(Encyclopedia) asphyxiaasphyxiaăsfĭkˈsēə [key], deficiency of oxygen and excess of carbon dioxide in the blood and body tissues. Asphyxia, often referred to as suffocation, usually results from an…

DES

(Encyclopedia) DES or diethylstilbestrolDESdīˌĕthˌəlstĭlbĕsˈtrôl [key], synthetic nonsteroid female sex hormone having the same physiological effects as estrogen. In the 1940s and 50s DES was…

defibrillator

(Encyclopedia) defibrillator, device that delivers an electrical shock to the heart in order to stop certain forms of rapid heart rhythm disturbances (arrhythmias). The shock changes a fibrillation…

Bolsonaro, Jair Messias

(Encyclopedia) Bolsonaro, Jair Messias, 1955–, Brazilian political leader. Bolsonaro served in the army from 1973 to 1988, mostly during a period of military dictatorship; he rose to the rank of…

vital statistics

(Encyclopedia) vital statistics, primarily records of the number of births and deaths in a population. Other factors, such as number of marriages and causes of death, by age groups, are regularly…

Suckling, Sir John

(Encyclopedia) Suckling, Sir John, 1609–42, one of the English Cavalier poets. He was educated at Cambridge and Gray's Inn. An accomplished gallant, he was given to all the extravagances of the court…

Sillitoe, Alan

(Encyclopedia) Sillitoe, Alan, 1928–2010, English writer, b. Nottingham. The son of an illiterate tannery worker, he grew up in poverty, left school at 14, and was himself a factory worker as a…

Snowden, Philip Snowden, 1st Viscount

(Encyclopedia) Snowden, Philip Snowden, 1st ViscountSnowden, Philip Snowden, 1st Viscountsnōˈdən [key], 1864–1937, British statesman. Born to poverty, he was a civil service clerk until crippled by a…

Shirley, Sir Anthony

(Encyclopedia) Shirley or Sherley, Sir Anthony, 1565–1636?, English adventurer. He fought in the Netherlands (1586) under the earl of Leicester and in France (1591) under the earl of Essex, who…