isodrosotherm

[ ahy-suh-dros-uh-thurm ]
/ ˌaɪ səˈdrɒs əˌθɜrm /

noun Meteorology.

a line on a weather map or chart connecting points having an equal dew point.

Origin of isodrosotherm

iso- + Greek dróso(s) dew + -therm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019