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soprano

(Encyclopedia)soprano [Ital.,=above], female voice of highest pitch. The three basic types of solo soprano are coloratura, lyric, and dramatic. The coloratura has a great range and impressive vocal agility; the lyr...

bias, in electricity

(Encyclopedia)bias, a voltage, current, or other input applied to a device or system as a reference or to set its conditions of operation. A bias is usually steady but may vary with time, usually within a fixed and...

White Sands

(Encyclopedia)White Sands, uninhabited desert area, S central N.Mex. It is a center for U.S. military-weapons research and testing. On July 16, 1945, the first atomic bomb was exploded at Holloman Air Force Base (f...

bluegrass

(Encyclopedia)bluegrass, any species of the large and widely distributed genus Poa, chiefly range and pasture grasses of economic importance in temperate and cool regions. In general, bluegrasses are perennial with...

Jefferson, Mount

(Encyclopedia)Jefferson, Mount, N.H.: see Presidential Range. ...

Cuyuna

(Encyclopedia)Cuyuna, range in Minnesota: see Mesabi. ...

Changpai

(Encyclopedia)Changpai, mountain range, China: see Changbai. ...

Tsinling

(Encyclopedia)Tsinling, mountain range, China: see Qinling. ...

automatic direction finder

(Encyclopedia)automatic direction finder: see radio range. ...

Washington, Mount

(Encyclopedia)Washington, Mount, N.H.: see Presidential Range. ...