dict_dl/en_MerriamWebster/dna_MW.json

{
  "DNA":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of various nucleic acids that are usually the molecular basis of heredity, are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases (see base entry 1 sense 6b ) which project inward from two chains containing alternate links of deoxyribose and phosphate, and that in eukaryotes are localized chiefly in cell nuclei \u2014 compare recombinant dna":[]
    },
    "pronounciation":[
      "\u02ccd\u0113-\u02ccen-\u02c8\u0101"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "d eoxyribo n ucleic a cid":""
    },
    "first_known_use":{
      "1944, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-213424"
  },
  "DNA virus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a virus whose genome consists of DNA":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1963, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-234336"
  },
  "DNA methylation":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the enzymatically controlled addition of a methyl group to a nucleotide base (such as cytosine in eukaryotes) in a molecule of DNA that plays a role in regulating gene expression (as by the inhibition of genetic transcription )":[
        "When a methyl group attaches to a specific spot on a gene\u2014a process called DNA methylation \u2014it can change the gene's expression, turning it off or on, dampening it or making it louder.",
        "\u2014 John Cloud",
        "A handful of drugs that affect DNA methylation already exist, and are being used to treat cancers in which faulty gene labeling plays a role.",
        "\u2014 Helen Pilcher",
        "A process called DNA methylation sets down \"marks\" on bits of DNA and is typically thought to squelch gene expression.",
        "\u2014 Sarah Baldauf",
        "DNA methylation is a mark on genomic DNA made by addition of methyl groups to cytosine bases \u2026",
        "\u2014 Adrian Bird"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1963, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-234710"
  },
  "DNA fingerprinting":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a technique used especially for identification (as for forensic purposes) by extracting and identifying the base-pair pattern in an individual's DNA":[]
    },
    "pronounciation":[
      "\u02ccd\u0113-\u02ccen-\u02c8\u0101-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1984, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-024454"
  },
  "DNA polymerase":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of several polymerases that promote replication or repair of DNA usually using single-stranded DNA as a template":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1962, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-042621"
  },
  "dna polymerase":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of several polymerases that promote replication or repair of DNA usually using single-stranded DNA as a template":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1962, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-074715"
  },
  "DNA test":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a test that examines DNA and that is used to identify someone or to show that people are relatives":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-094837"
  },
  "DNA phenotyping":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1989, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-165538"
  },
  "DNase":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an enzyme that hydrolyzes DNA to nucleotides":[]
    },
    "pronounciation":[
      "-\u02cc\u0101z",
      "-\u02c8\u0101z",
      "(\u02c8)d\u0113-\u02c8en-\u02cc\u0101s, -\u02cc\u0101z",
      "(\u02cc)d\u0113-\u02ccen-\u02c8\u0101s",
      "(\u02cc)d\u0113-\u02c8en-\u02cc\u0101s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1956, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-002850"
  }
}