• Webster's Revised Unabridged Dictionary
    • a Isocrymal (Phys. Geog) Pertaining to, having the nature of, or illustrating, an isocryme; as, an isocrymal line; an isocrymal chart.
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Century Dictionary and Cyclopedia
    • n isocrymal A line, imaginary or drawn upon a map or chart of any region, connecting points at which the temperature is the same during some specified coldest portion of the year. The word was introduced by J. D. Dana, and used by him with reference to the mean temperature of the ocean surface “for the coldest thirty consecutive days of the year.”
    • n isocrymal In hydrogeology, a line joining places where the mean minimum temperatures of the ocean water are the same.
    • isocrymal Having equal degrees of cold or equal low temperatures at any time or under any condition; having equal freezing temperatures.
    • isocrymal Having similar physical properties at specific low temperatures.
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