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isotherm
[ ahy-suh-thurm ]
noun
- Meteorology. a line on a weather map or chart connecting points having equal temperature.
- Also called isothermal line. Physics. a curve on which every point represents the same temperature.
isotherm
/ ˈaɪsəʊˌθɜːm /
noun
- a line on a map linking places of equal temperature
- physics a curve on a graph that connects points of equal temperature
isotherm
/ ī′sə-thûrm′ /
- A line drawn on a weather map connecting points that have the same temperature. Each point can mark one temperature reading or an average of several readings.
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Word History and Origins
Origin of isotherm1
First recorded in 1855–60; back formation from isothermal
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Example Sentences
Negroes, however, meet a climatic barrier in America at the isotherm of 5° Centigrade (41° F.).
From Project Gutenberg
The polar limits of the temperate zones are fixed by the isotherm of 50 for the warmest month.
From Project Gutenberg
Beyond the isotherm of 50 for the warmest month forest trees and cereals do not grow.
From Project Gutenberg
A large area in the interior of Greenland, and one of about equal extent around the pole, are within the isotherm of 32.
From Project Gutenberg
Its summit displays a glittering ice-cap, and we are certain to find the proper isotherm by climbing its umbrageous sides.
From Project Gutenberg
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