PERMAFROST


Meaning of PERMAFROST in English

ˈpərmə+ˌ- noun

Etymology: perma nent + frost

: a permanently frozen layer of soil, subsoil, or other deposit sometimes including the bedrock and occurring at variable depth below the earth's surface in arctic or subarctic regions : pergelisol

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.