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Arctic, the

(Encyclopedia) CE5 Arctic, the northernmost area of the earth, centered on the North Pole. The arctic regions are not coextensive with the area enclosed by the Arctic Circle (lat. 66°30′N) but are…

glacier

(Encyclopedia) glacier, moving mass of ice that survives year to year, formed by the compacting of snow into névé and then into granular ice and set in motion outward and downward by the force of…

ice

(Encyclopedia) ice: see water.

Ice-T

(Encyclopedia) Ice-T : see Rap music.

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…

iceboating

(Encyclopedia) iceboating, sport of sailing a specially prepared boat equipped with runners over ice. The first iceboats were probably sailed by the Dutch during the 18th cent., although the Finns…

varve

(Encyclopedia) varve, in geology, pair of thin sedimentary layers formed annually by seasonal climatic changes. Usually found in glacial lake deposits, varves consist of a coarse-grained, light-…

iceberg

(Encyclopedia) iceberg, mass of ice that has become detached, or calved, from the edge of an ice sheet or glacier and is floating on the ocean. Because ice is slightly less dense than water about one…

ice dancing

(Encyclopedia) ice dancing, ice-skating competition in which couples are required to perform dance routines to music. The sport gained popularity in the 1930s and the first world championships were…