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harrow, in agriculture
(Encyclopedia)harrow, farm implement, consisting of a wooden or metal framework bearing metal disks, teeth, or sharp projecting points, called tines, which is dragged over plowed land to pulverize the clods of eart...heart, in anatomy
(Encyclopedia) CE5 Cross section of heart, with arrows indicating direction of blood flow heart, muscular organ that pumps blood to all parts of the body. The rhythmic beating of the heart is a ceaseless activit...heath, in botany
(Encyclopedia) CE5 Rhododendron, Rhododendron maximum, a member of the heath family heath, in botany, common name for some members of the Ericaceae, a family of chiefly evergreen shrubs with berry or capsule fru...hamadryad, in zoology
(Encyclopedia)hamadryad, in zoology: see cobra.Hadar, in astronomy
(Encyclopedia)Hadar or Beta Centauri bāˈtə sĕntôrˈē [key], bright star in the constellation Centaurus; 1992 position R.A. 14h01.7m, dec. −60°13′. A bluish-white giant of spectral class B1 II, it has an ...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 ...Hercules, in astronomy
(Encyclopedia)Hercules hûrˈkyəlēzˌ [key], in astronomy, northern constellation located between Lyra and Corona Borealis. It is traditionally depicted as the hero Hercules in a kneeling position. There are no v...Hermes, in astronomy
(Encyclopedia)Hermes, in astronomy: see asteroid. ...glaze, in pottery
(Encyclopedia)glaze, translucent layer that coats pottery to give the surface a finish or afford a ground for decorative painting. Glazes—transparent, white, or colored—are fired on the clay. Of the various art...glaze, in meteorology
(Encyclopedia)glaze, in meteorology: see sleet.Browse by Subject
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