"ppb" meaning in English

{
  "forms": [
    {
      "form": "ppb",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "ppb (plural ppb)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "parts per billion"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English words spelled without vowels",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              200,
              203
            ],
            [
              229,
              232
            ],
            [
              261,
              264
            ]
          ],
          "ref": "2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy, page 56:",
          "text": ". Therefore, Great River Energy expects ozone and NO concentrations associated with the Project to be negligible, and well below all federal standards (nitrogen dioxide (NO2) – 100 parts per billion (ppb) as one-hour average, 53 ppb as annual average; ozone 70 ppb as 8-hour average).",
          "type": "quote"
        }
      ],
      "glosses": [
        "Initialism of parts per billion."
      ],
      "id": "en-ppb-en-noun-en:Q2055118",
      "links": [
        [
          "parts per billion",
          "w:parts per billion"
        ]
      ],
      "related": [
        {
          "word": "ppbv"
        },
        {
          "word": "ppm"
        },
        {
          "word": "ppt"
        },
        {
          "word": "ppq"
        },
        {
          "word": "percent"
        },
        {
          "word": "permille"
        },
        {
          "word": "permyriad"
        }
      ],
      "senseid": [
        "en:Q2055118"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "wikidata": [
        "Q2055118"
      ]
    }
  ],
  "word": "ppb"
}

{
  "forms": [
    {
      "form": "ppb",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "ppb (plural ppb)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "ppbv"
    },
    {
      "word": "ppm"
    },
    {
      "word": "ppt"
    },
    {
      "word": "ppq"
    },
    {
      "word": "percent"
    },
    {
      "word": "permille"
    },
    {
      "word": "permyriad"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "parts per billion"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English indeclinable nouns",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with quotations",
        "English words spelled without vowels",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              200,
              203
            ],
            [
              229,
              232
            ],
            [
              261,
              264
            ]
          ],
          "ref": "2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy, page 56:",
          "text": ". Therefore, Great River Energy expects ozone and NO concentrations associated with the Project to be negligible, and well below all federal standards (nitrogen dioxide (NO2) – 100 parts per billion (ppb) as one-hour average, 53 ppb as annual average; ozone 70 ppb as 8-hour average).",
          "type": "quote"
        }
      ],
      "glosses": [
        "Initialism of parts per billion."
      ],
      "links": [
        [
          "parts per billion",
          "w:parts per billion"
        ]
      ],
      "senseid": [
        "en:Q2055118"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "wikidata": [
        "Q2055118"
      ]
    }
  ],
  "word": "ppb"
}