{
  "TCDD":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a carcinogenic dioxin C 12 H 4 O 2 Cl 4 found especially as a contaminant in 2,4,5-T":[]
    },
    "pronounciation":[
      "\u02cct\u0113-(\u02cc)s\u0113-(\u02cc)d\u0113-\u02c8d\u0113",
      "\u02cct\u0113-\u02ccs\u0113-\u02ccd\u0113-\u02c8d\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "t etra- + c hlor- + d ibenzo- (containing two benzene rings) + d ioxin":""
    },
    "first_known_use":{
      "1971, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-083829"
  }
}