ISOTACH definitions

isotach

line connecting points of the same wind speed
Found on http://phrontistery.info/i.html

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Isotach

A line of equal wind speed.
Found on http://www.encyclo.co.uk/local/22268

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isotach

isotach, isotachy A line on a weather chart connecting points of equal windspeed.
Found on http://www.wordinfo.info/words/index/info/view_unit/2795/9

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isotach

a line on a weather map or chart connecting points where winds of equal speeds have been recorded.
Found on https://www.infoplease.com/dictionary/isotach

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