isotach

listen to the pronunciation of isotach
Английский Язык - Английский Язык
A line of equal or constant wind speed on a graph or chart, such as a weather map
In meteorology, a line or contour of constant wind speed An alternative is isovel
an isopleth of wind speed
A line connecting equal wind speeds
A line of constant wind speed
A line connecting points of equal wind speed
a line on a weather map or chart connecting points where winds of equal speeds have been recorded