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pluton
plu·ton
[
pl tòn
]
(
plural
plu·tons
)
noun
Definition:
mass of igneous rock:
a mass of intrusive igneous rock that has solidified underground by the crystallization of magma
[
Mid-20th century. < German, back-formation <
plutonisch
"plutonic" < Greek
Ploutōn
(see
Pluto
)
]
plu·ton·ic
[
ploo tónnik
]
adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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plu·ton·ic [ ploo tónnik ] adjective
