( a. )
Having reference to the geographical distribution of temperature, as exhibited by means of isotherms; as, an isothermal line; an isothermal chart.
( a. )
Having reference to the geographical distribution of temperature, as exhibited by means of isotherms; as, an isothermal line; an isothermal chart.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012