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ridge
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a long narrow natural elevation or striation any long raised strip extend in ridges; "The land ridges towards the South" plough alternate strips by throwing the furrow onto an unploughed strip a long narrow range of hills throw soil toward (a crop row) from both sides; "He ridged his corn" spade into alternate ridges and troughs; "ridge the soil" any long raised border or margin of a bone or tooth or membrane form into a ridge a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
Ãâó: wordnet.princeton.edu/perl/webwn
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Ricinus
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a genus of herb having only one known species: castor-oil plant
Ãâó: wordnet.princeton.edu/perl/webwn
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Rickettsiaceae
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microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
Ãâó: wordnet.princeton.edu/perl/webwn
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Rickettsiales
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pleomorphic Gram-negative microorganisms
Ãâó: wordnet.princeton.edu/perl/webwn
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rictus
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a gaping grimace
Ãâó: wordnet.princeton.edu/perl/webwn
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