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nutcracker

(Encyclopedia)nutcracker, common name for a small crow of the genus Nucifraga in the family Corvidae (crow family). The Old World nutcracker (N. caryocatactes) is found throughout the colder regions of Europe, incl...

talc

(Encyclopedia)talc, mineral ranging in color from white through various shades of gray and green to the red and brown of impure specimens, translucent to opaque, and having a greasy, soapy feel. It is a hydrous sil...

squash bug

(Encyclopedia)squash bug, name for a true bug, Anasa tristis, found throughout the United States and S Canada. It damages squash, pumpkin, and related plants by sucking the juices from leaves and stems. The adult i...

sparrow

(Encyclopedia)sparrow, common name of various small brown-and-gray perching birds. New World birds called sparrows are members of the finch family. They were named for their resemblance to the English sparrow and t...

uremia

(Encyclopedia)uremia yo͝orēˈmēə [key], condition resulting from advanced stages of kidney failure in which urea and other nitrogen-containing wastes are found in the blood. Uremia can be caused by NSAIDs (nons...

Berlin, Sir Isaiah

(Encyclopedia)Berlin, Sir Isaiah, 1909–97, English political scientist, b. Riga, Latvia (then in Russia). His family moved to St. Petersburg when he was a boy and emigrated to London in 1921. He was educated at O...

iron

(Encyclopedia)iron, metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.845; m.p. about 1,535℃; b.p. about 2,750℃; sp. gr. 7.87 at 20℃; valence +2, +3, +4, or +6. Iron is biologically s...

Keeshond

(Encyclopedia)Keeshond kāsˈhŏnd [key] (pl. Keeshonden), breed of medium-sized nonsporting dog raised in Holland for several hundred years and introduced into England in the year 1900. It stands about 18 in. (46 ...

Maris

(Encyclopedia)Maris mäˈrĭs [key], three Dutch painters, who were brothers. Jacob or Jakob Maris, 1837–99, the most celebrated, painted domestic interiors but is particularly famous for his vigorous landscapes ...

kinglet

(Encyclopedia)kinglet, common name for members of a subfamily of five species of Old and New World warblers, similar to the thrushes and the Old World flycatchers. Kinglets are small birds (4 in./10 cm) with soft, ...