ISOTHERM (Gr. ivos, equal, and %

See also:

• PAN (" pasturer ")
• PAN (common in various forms to many Teutonic languages, cf. Ger. Pfanne; it is generally taken to be an early adaptation in a shortened form of Lat. patina, shallow bowl or dish, from patere, to lie open)

pan,

See also:

• HEAT (0. E. haktu, which like " hot," Old Eng. hat, is from the Teutonic type haita, hit, to be hot; cf. Ger. hitze, heiss; Dutch, hitte, heet, &c.)

heat)  , a line upon a map connecting places where the temperature is the same at sea-level on the earth's surface . These isothermal lines will be found to vary from. month to month over the two hemispheres, or over local areas, during summer and winter, and their position is modified by continental or oceanic conditions .