permafrost What is the Definition of permafrost?Noun:ground that is permanently frozen Other meanings of permafrost (synonyms, cognates). ENRU permafrost вечнаямерзлота Frequently viewed: behave in a sentencehistorical definitiondefinition of admitmyself meaningcat meaningwithout definitionitself meaningcare meaningdefinition of voiddefinition of stopdefinition of approximateprecise definition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z