← Back to browsepermafrostnoun#41,451Translation永久凍土えいきゅうとうどEnglish definitionground that is permanently frozenExamplesOne fifth of the earth's surface is covered by permafrost.One-fifth of the Earth's surface is covered by permafrost.Similar wordspermapermpermalinkpermanentpermalloypost-perot← fallacyweatherby →