noun Meteorology, Geography.
Examples from the Web for isoline
"Isoline never was very easy to understand," said the Prince.
Isoline, more and more alarmed at the ardent looks of the two whelps, trembled convulsively.
The gaolers obeyed, and soon the merchant and Isoline disappeared with them in the depths of the subterranean donjon.
Lady Campbell and Isoline await us there, with the troops left as their guard at Dumbarton.The Days of Bruce Vol 1|Grace Aguilar
He wished the Princess Isoline would have let him come to her.