permafrost /pûrˈmə-frost/

Permanently frozen subsoil

• grave accents
• grave-clothes
• graved
• grave-digger
• grave-diggers
• grave goods
• gravel
• gravel-blind
• graveled
• graveless
• graveling
• gravelled
• gravelling
• gravelly
• gravel-pit
• gravel-pits
• gravels
• gravel-voiced
• gravel-walk
• gravel-walks
• gravely
• grave-maker
• grave-makers
• graven
• graveness