Princess-tree
noun
1.
a Chinese tree, Paulownia tomentosa, of the bignonia family, having hairy leaves and clusters of fragrant, violet flowers, naturalized in the eastern U.S.
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noun 1. a borough in central New Jersey: battle 1777. 2. Mount, a mountain in central Colorado, one of the Collegiate Peaks of the Sawatch Range, in the S Rocky Mountains. 14,197 feet (4327 meters). noun 1. a town in central New Jersey: settled by Quakers in 1696; an important educational centre, seat of Princeton […]
- Prince-william-sound
noun 1. a sound in the Gulf of Alaska, on the S coast of Alaska: S end of Trans-Alaska oil pipeline at port of Valdez.
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noun, Mathematics. 1. the radian measure of the argument between −π and π of a complex number. Compare argument (def 8c).
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noun 1. Optics. a line passing through the center of the surface of a lens or spherical mirror and through the centers of curvature of all segments of the lens or mirror. 2. Physics. one of three mutually perpendicular axes of a body about which the moment of inertia is maximum or minimum. principal axis […]