permafrost What is the Definition of permafrost?Noun:ground that is permanently frozen Other meanings of permafrost (synonyms, cognates). ENRU permafrost вечнаямерзлота Frequently viewed: book meaningdefinition of basedefinition of extentdefinition of receiveddefinition of virtualdefinition of bottleneckdefinition of cloudtank meaningtower meaningdefinition of admitdefinition of worthwhileultimately meaning 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