submarium/sʌbˈmɛəɹi.əm/EtymologyBlend of submarine + aquarium.submarium means an aquarium with many sea creatures. Lexicurio rates it Sui generis — a strength score of 88 out of 100.submarium is pronounced /sʌbˈmɛəɹi.əm/.nounAn aquarium with many sea creatures.