{
  "RNA":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities \u2014 compare messenger rna , ribosomal rna , transfer rna":[]
    },
    "pronounciation":[
      "\u02cc\u00e4r-\u02ccen-\u02c8\u0101",
      "\u02cc\u00e4r-(\u02cc)en-\u02c8\u0101"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "r ibo n ucleic a cid":""
    },
    "first_known_use":{
      "1942, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-003539"
  },
  "RNA virus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a virus (such as a paramyxovirus or a retrovirus) whose genome consists of RNA":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1963, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-004442"
  },
  "RNA polymerase":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of a group of enzymes that promote the synthesis of RNA using DNA or RNA as a template":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1961, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-010406"
  },
  "RNase":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": ribonuclease":[]
    },
    "pronounciation":[
      "-\u02c8\u0101z",
      "-\u02cc\u0101z",
      "\u02cc\u00e4r-\u02c8en-\u02cc\u0101s",
      "\u02cc\u00e4r-\u02ccen-\u02c8\u0101s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "RNA + -ase":""
    },
    "first_known_use":{
      "1948, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-014058"
  },
  "RNAi":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": rna interference":[]
    },
    "pronounciation":[
      "\u02cc\u00e4r-\u02ccen-\u02cc\u0101-\u02c8\u012b"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1998, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-021102"
  },
  "RNA interference":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1998, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-093205"
  },
  "rna interference":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1998, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-174344"
  }
}