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horology
(Encyclopedia)horology hōrŏlˈəjē [key], science of measuring time and technology of constructing instruments for its measurement or recording. Early measurements of the passage of time were based on observatio...ghetto
(Encyclopedia)ghetto gĕtˈō [key], originally, a section of a city in which Jews lived; it has come to mean a section of a city where members of any racial group are segregated. In the early Middle Ages the segre...geologic timescale
(Encyclopedia) CE5 geologic timescale, a chronological scale of earth's history used to measure the relative or absolute age of any part of geologic time. Of the numerous timescales, the most common is based on g...Janus, in Roman religion
(Encyclopedia)Janus jāˈnəs [key], in Roman religion, god of beginnings. He was one of the principal Roman gods, the custodian of the universe. The first hour of the day, the first day of the month, the first mon...occultation
(Encyclopedia)occultation ŏkˌəltāˈshən [key], in astronomy, eclipse of one celestial body by another, e.g., when the moon lies between a star and the earth. Occultations of stars by the moon are important in ...earth, in geology and astronomy
(Encyclopedia) CE5 A. Cross section of the earth, showing its shells B. Detailed cross section of the crust and upper mantle: The lithosphere consists of the hard rock in the crust and upper mantle, lying above t...Hodgson, Ralph
(Encyclopedia)Hodgson, Ralph, 1871–1962, English poet. He wrote five volumes of poetry before his collected poems appeared in 1917. After a silence of nearly 40 years—during which time he taught in Japan and em...hornpipe
(Encyclopedia)hornpipe, English folk dance known since the 16th cent., when it obtained its name from the wind instrument that accompanied it. The hornpipes of the 17th and 18th cent. have moderate 3–2 time and 4...Wadai
(Encyclopedia)Wadai wädīˈ [key], former sultanate, N Chad, E of Lake Chad. Founded in the 16th cent., it was from time to time loosely subject to Darfur. Toward the end of the 19th cent., Wadai came under the in...clepsydra
(Encyclopedia)clepsydra klĕpˈsĭdrə [key] or water clock, ancient device for measuring time by means of the flow of water from a container. A simple form of clepsydra was an earthenware vessel with a small openi...Browse by Subject
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