I1S1O1T1H4E1R1M3
13 points
ISOTHERM is validvalid
a line on a map connecting points of equal mean temperature [n ISOTHERMS]
a line on a map connecting points of equal average temperature, also ISOTHERMAL [n -S]
a line on a map connecting points of equal mean temperature [n ISOTHERMS]
a line on a map connecting points of equal average temperature, also ISOTHERMAL [n -S]