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hamadryad, in zoology
(Encyclopedia)hamadryad, in zoology: see cobra.hail, in meteorology
(Encyclopedia)hail, precipitation in the form of pellets composed of ice or of ice and snow, occurring at any time of the year, usually during the passage of a cold front or during a thunderstorm. Small hailstones ...halo, in art
(Encyclopedia)halo, in art: see nimbus.halo, in meteorology
(Encyclopedia)halo, in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above. A halo occurs when the...hickory, in botany
(Encyclopedia)hickory, any plant of the genus Carya of the family Juglandaceae (walnut family); deciduous nut-bearing trees native to E North America and south to Central America except for a few species found in S...antipodes, in geography
(Encyclopedia)antipodes [Gr.,=having feet opposite], people or places diametrically opposite on the globe. Thus antipodes must be separated by half the circumference of the earth (180°), and one must be as far nor...illumination, in art
(Encyclopedia)illumination, in art, decoration of manuscripts and books with colored, gilded pictures, often referred to as miniatures (see miniature painting); historiated and decorated initials; and ornamental bo...illumination, in physics
(Encyclopedia)illumination, in physics: see lighting; photometry. ...hoya, in botany
(Encyclopedia)hoya: see milkweed.hyacinth, in botany
(Encyclopedia)hyacinth, any plant of the genus Hyacinthus, bulbous herbs of the family Liliaceae (lily family) native to the Mediterranean region and South Africa. The common, or Dutch, hyacinth of house and garden...Browse by Subject
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