isopleth
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isopleth
(ˈaɪsəʊˌplɛθ)n
(Physical Geography) a line on a map connecting places registering the same amount or ratio of some geographical or meteorological phenomenon or phenomena. Also called: isogram or isoline
[C20: from Greek isoplēthēs equal in number, from iso- + plēthos multitude, great number]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
i•so•pleth
(ˈaɪ səˌplɛθ)n.
a line drawn on a map through all points having the same numerical value, as of a population figure or geographic measurement.
[1905–10; < German Isoplethe (1877) < Greek isoplēthḗs equal in number]
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Noun | 1. | isopleth - a line drawn on a map connecting points having the same numerical value of some variable isobar - (meteorology)an isogram connecting points having equal barometric pressure at a given time isochrone - an isogram connecting points at which something occurs or arrives at the same time isoclinal, isoclinic line - an isogram connecting points of equal magnetic inclination isohel - an isogram connecting points receiving equal amounts of sunshine isotherm - (meteorology) an isogram connecting points having the same temperature at a given time line - a spatial location defined by a real or imaginary unidimensional extent |
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