isotimic

[ ahy-suh-tim-ik ]
/ ˌaɪ səˈtɪm ɪk /

adjective Meteorology.

(of a line or surface in space) having an equal value of some quantity at a given time.

Origin of isotimic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019