Isotherm

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Isotherm \I"so*therm\, n. [Iso- + Gr. ? heat, fr. ? hot.]
     1. (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.
        [1913 Webster]
  
     2. (Physics) A line on a graph connecting points representing
        states having the same temperature; an isothermal line.
        [PJC]

From WordNet (r) 2.0 [wn]:

  isotherm
       n : an isogram connecting points having the same temperature at
           a given time

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  22 Moby Thesaurus words for "isotherm":
     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