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World English Dictionary
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diorite
di·o·rite
[
d ə rt
]
noun
Definition:
dark coarse-grained rock:
a dark granular igneous rock that consists of plagioclase and a ferromagnesian mineral such as hornblende. Use: surfacing roads.
[
Early 19th century. < Greek
diorizein
"distinguish" <
orizein
"to limit"
]
di·o·rit·ic
[
d ə ríttik
]
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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