ISOTHERM Definition & Meaning

isotherm

[ ahy-suh-thurm ]

Phonetic (Standard)IPA

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

/ ˈ��ɪ��əʊˌθɜː�� /

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′��ə-�ٳ�û��′ /

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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51�Թ� History and Origins

Origin of isotherm¹

First recorded in 1855–60; back formation from isothermal

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Example Sentences

Examples have not been reviewed.

He invented isotherms, the wavy lines — now familiar from weather maps — that link areas around the globe that have the same temperature.

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Out there is the endless possibility of night stretching out in every direction; in here, the thoughts and emotions ebb and flow in response to the body’s changing isotherms.

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So as things warm up the temperature isotherm doesn’t shift nearly as far as it does in a flat place.

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Humboldt also created isotherms, those lines you see on weather maps that connect points with the same temperature.

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He introduced the idea of vegetation zones slung around the globe; he also invented isotherms, lines of equal temperature.

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