Adjacent Words

isotherm definitions

	Tweet

WordNet (r) 3.0 (2005)

n
1: (meteorology) an isogram connecting points having the same temperature at a given time

Merriam Webster's

noun Etymology: French isotherme, adjective Date: 1859 1. a line on a map or chart of the earth's surface connecting points having the same temperature at a given time or the same mean temperature for a given period 2. a line on a chart representing changes of volume or pressure under conditions of constant temperature

NOAA Weather Glossary

A line of equal temperature on a weather map.

Oxford Reference Dictionary

n. 1 a line on a map connecting places having the same temperature at a given time or on average over a given period. 2 a curve for changes in a physical system at a constant temperature. Derivatives: isothermal adj. isothermally adv. Etymology: F isotherme (as ISO-, Gk therme heat)

Webster's 1913 Dictionary

Isotherm I"so*therm, n. [Iso- + Gr. ? heat, fr. ? hot.] (Phys. Geog.) A line connecting or marking points on the earth's surface having the same temperature. This may be the temperature for a given time of observation, or the mean temperature for a year or other period. Also, a similar line based on the distribution of temperature in the ocean.

Moby Thesaurus

air mass, anticyclone, cold front, cold sector, cyclone, front, high, high-pressure area, isobar, isometric, isometric line, isopiestic line, isothermal line, low, low-pressure area, occluded front, polar front, squall line, stationary front, warm front, weather map, wind-shift line