PERMAFROST


Meaning of PERMAFROST in English

/perr"meuh frawst', -frost'/ , n.

(in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol .

[ 1943; PERMA(NENT) + FROST ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .