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siller
sillimanite
silly
silly billy
silly season
silo
siloxane
silt
siltstone
Silures
Silurian
silurid
silva
silvan
Silvanus
Silvassa
silver
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siltstone
silt·stone [ sílt stn ]


noun 
Definition:
 
sedimentary rock: a form of fine-grained sandstone consisting of compressed silt
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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