VDict - Definition of ra

Broad search result for ra in English - English (Wordnet) dictionary

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obturator vein occam's razor occipital protuberance occupancy rate occupational safety and health administration occupational therapy oceanographer oceanography ochlocracy ockham's razor octal numeration system octane rating oenothera oenothera biennis oenothera fruticosa oenothera macrocarpa oestradiol off the beaten track off-line operation off-the-rack office of inspector general offset lithography okra okra plant old witch grass old witchgrass old world coral snake old world crayfish old world rabbit old-age insurance oleandra oleandra mollis oleandra neriiformis oleandraceae olecranon olecranon process olfactory brain olive branch olive drab olive-drab olive-drab uniform olive-gray omar bradley omar nelson bradley omeprazole omnidirectional radio range omnidirectional range omnirange on average on camera on the average on the contrary onagraceae oncidium papilio kramerianum ondatra ondatra zibethica onychophora onychophoran open fracture open frame opera opera bouffe opera cloak opera comique opera company opera glasses opera hat opera hood opera house opera star operable operagoer operand operant operant conditioning operate operate on operatic operatic star operating

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