isotach

[ ahy-suh-tak ]

noun

, Meteorology.

1. a line on a weather map or chart connecting points where winds of equal speeds have been recorded.

isotach

/ ˈaɪsəʊˌtæk /

noun

1. a line on a map connecting points of equal wind speed

Word History and Origins

Origin of isotach¹

1945–50; iso- + -tach < Greek tachýs swift; tachy-

Word History and Origins

Origin of isotach¹

from iso- + Greek takhos speed