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goldfish

(Encyclopedia)goldfish, freshwater fish, genus Carassius, of the family Cyprinidae, popular in aquariums and ponds. Native to China, it was first domesticated centuries ago from the wild form, an olive-colored carp...

opal

(Encyclopedia)opal ōˈpəl [key], a mineral consisting of poorly crystalline to amorphous silica, SiO2·nH2O; the water content is quite variable but usually ranges from 3% to 10%. Common opal is usually colorless...

magpie

(Encyclopedia)magpie, common name for certain birds of the family Corvidae (crows and jays). The black-billed magpie, Pica pica or P. hudsonia, of W North America has iridescent black plumage, white wing patches an...

sunbittern

(Encyclopedia)sunbittern, common name for a graceful, stout-bodied, bitternlike bird, Eurypyga helias. It is named for its wing markings, an orange-chestnut shield set in an orange-buff circle, which looks like a s...

Scorpius

(Encyclopedia)Scorpius –pēō [key] [Lat.,=the scorpion], conspicuous southern constellation lying on the ecliptic (the sun's apparent path through the heavens) between Sagittarius and Libra; it is one of the con...

Priestley, J. B.

(Encyclopedia)Priestley, J. B. (John Boynton Priestley), 1894–1984, English author. An extraordinarily prolific writer, Priestley worked in a variety of genres. He first wrote literary criticism as a student at C...

Procyon

(Encyclopedia)Procyon prōˈsēŏnˌ [key], brightest star in the constellation Canis Minor; Bayer designation α Canis Minoris; 1992 position R.A. 7h38.9m, Dec.+5°15′. A yellow-white star of spectral class F5 I...

Castor, in astronomy

(Encyclopedia)Castor kăsˈtər [key], bright star in the constellation Gemini; Bayer designation α Geminorum; 1992 position R.A. 7h34.1m, Dec. +31°54′. Slightly dimmer than Pollux, with which it forms the Twin...

Destinn, Emmy

(Encyclopedia)Destinn, Emmy (Ema Kittl) dĕsˈtĭn [key], 1878–1930, Czechoslovakian soprano. She debuted in Berlin in 1898 before singing the title role in the London production of Madame Butterfly in 1905. She ...

Grétry, André Ernest Modeste

(Encyclopedia)Grétry, André Ernest Modeste äNdrāˈ ĕrnĕstˈ môdĕstˈ grātrēˈ [key], 1741–1813, French operatic composer. Enormously prolific and successful in his lifetime, he was a master of the 18th-...