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color index
(Encyclopedia)color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...Bar-jesus
(Encyclopedia)Bar-jesus ĕlˈĭmăs [key], in the New Testament, Jewish sorcerer at Paphos who tried to divert a prospective Christian convert and was cursed with blindness. ...Mace, chemical spray
(Encyclopedia)Mace, chemical spray device used by police in riot control. Mace is ordinary tear gas (chloroacetophenone, or CN) in a volatile solvent contained in a spray can. It causes severe lacrimation and tempo...cytomegalovirus
(Encyclopedia)cytomegalovirus sīˌtəmĕgˌəlōvīˈrəs [key], member of the herpesvirus family that can cause serious complications in persons with weakened immune systems and infants. A common virus, it is est...trachoma
(Encyclopedia)trachoma trəkōˈmə [key], infection of the mucous membrane of the eyelids caused by the bacterium Chlamydia trachomatis. Trachoma affects at least 86 million people worldwide. An estimated 1.9 mill...tear gas
(Encyclopedia)tear gas, gas that causes temporary blindness through the excessive flow of tears resulting from irritation of the eyes. The gas is used in chemical warfare and as a means for dispersing mobs. Compoun...color-field painting
(Encyclopedia)color-field painting, abstract art movement that originated in the 1960s. Coming after the abstract expressionism of the 1950s, color-field painting represents a sharp change from the earlier movement...four-color process
(Encyclopedia)four-color process: see printing. ...Saramago, José
(Encyclopedia)Saramago, José zho͞ozĕˈ särˌämäˈgo͞o [key], 1922–2010, Portuguese novelist and short-story writer. He became a member of the Communist party in 1969 and was a staunch atheist and a strong ...ophthalmology
(Encyclopedia)ophthalmology ŏfˌthălmŏlˈəjē [key], branch of medicine specializing in the anatomy, function and diseases of the eye. Ophthalmologists specialize in the medical and surgical treatment of eye di...Browse by Subject
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