isohume

[ ahy-suh-hyoom ]
/ ˈaɪ səˌhyum /

noun Meteorology.

a line on a weather map or chart connecting points of equal relative humidity.

Origin of isohume

iso- + -hume, extracted from humidity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019