1. Lines on a map connecting points that receive equal amounts of rainfall over a given period.
Usage: Plural of isohyet; Technical term used in meteorology and geography; Often used in weather maps and climate studies

Examples

• The meteorologist drew isohyets on the weather map to show rainfall distribution across the region.
• Isohyets help climatologists identify areas with similar precipitation patterns.
• The map displayed isohyets at 10-inch intervals to illustrate the annual rainfall gradient.
• By studying isohyets, geographers can determine which regions experience drought conditions.
• The isohyets on this climate map reveal that coastal areas receive more rainfall than inland regions.