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ribonucleoprotein
ribonucleoside
ribonucleotide
ribose
ribosomal
ribosomal RNA
ribosome
ribozyme
ribulose
ribulose biphosphate
ribwort
rice
rice grass
rice paper
rice-paper plant
rice rat
rice weevil
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ribbon worm
rib·bon worm (plural rib·bon worms)


noun 
Definition:
 
burrowing ocean worm: a worm with a long flat unsegmented body that burrows in the mud covered by ocean tides. Phylum Nemertea.
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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