"bw" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bodyweight"
        }
      ],
      "categories": [],
      "examples": [
        {
          "ref": "2005, Tarek A. Kassim, Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters:",
          "text": "Pigs and calves: 200 mg per 15 kg bw",
          "type": "quote"
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      "glosses": [
        "Abbreviation of bodyweight."
      ],
      "id": "en-bw-en-noun-cTSwV9EQ",
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        [
          "bodyweight",
          "bodyweight#English"
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    {
      "alt_of": [
        {
          "word": "birth weight"
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      "glosses": [
        "Abbreviation of birth weight."
      ],
      "id": "en-bw-en-noun-XbpB6uGb",
      "links": [
        [
          "birth weight",
          "birth weight#English"
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  "word": "bw"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "bodyweight"
        }
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      "examples": [
        {
          "ref": "2005, Tarek A. Kassim, Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters:",
          "text": "Pigs and calves: 200 mg per 15 kg bw",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of bodyweight."
      ],
      "links": [
        [
          "bodyweight",
          "bodyweight#English"
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        "abbreviation",
        "alt-of",
        "uncountable"
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    {
      "alt_of": [
        {
          "word": "birth weight"
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      "glosses": [
        "Abbreviation of birth weight."
      ],
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          "birth weight",
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  "word": "bw"
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