isocryme

== English == === Etymology === From iso- + Ancient Greek κρυμός (krumós, “cold, chilliness”) (see κρύος (krúos)). Coined by James D. Dana in 1854, who glossed κρυμός as "extreme cold". === Noun === isocryme (plural isocrymes) An isoline connecting points on the Earth's surface having the same mean temperature in the coldest month of the year. ==== Derived terms ==== === References ===