isogradient: Meaning and Definition of

i•so•gra•di•ent

Pronunciation: (ī"su-grā'dē-unt), [key]
— n. Meteorol.
  1. a line on a weather map or chart connecting points having the same horizontal gradient of a meteorological quantity, as temperature, pressure, or the like.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.