say it: ploo-TAH-nik
plutonic is an adjective meaning "of igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbro". It is pronounced /pluˈtɑnɪk/ — ploo-TAH-nik. It carries one recorded sense.
Definitions, synonyms and semantic relations for plutonic come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.