"HRU" meaning in English

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "HRU",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "how are you?"
        }
      ],
      "categories": [],
      "glosses": [
        "Abbreviation of how are you?."
      ],
      "id": "en-HRU-en-phrase-AfHP5bcI",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "text messaging",
          "text messaging"
        ],
        [
          "how are you?",
          "how are you#English"
        ]
      ],
      "raw_glosses": [
        "(Internet slang, text messaging) Abbreviation of how are you?."
      ],
      "synonyms": [
        {
          "word": "hru"
        }
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "HRU"
}

{
  "etymology_number": 2,
  "forms": [
    {
      "form": "HRUs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "HRU (plural HRUs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "harm reduction unit"
        }
      ],
      "categories": [
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "81 19",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "75 25",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Initialism of harm reduction unit."
      ],
      "id": "en-HRU-en-noun-k0IKWSBn",
      "links": [
        [
          "harm",
          "harm#English"
        ],
        [
          "reduction",
          "reduction#English"
        ],
        [
          "unit",
          "unit#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "HRU"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English phrases",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "HRU",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "how are you?"
        }
      ],
      "categories": [
        "English abbreviations",
        "English internet slang",
        "English text messaging slang"
      ],
      "glosses": [
        "Abbreviation of how are you?."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "text messaging",
          "text messaging"
        ],
        [
          "how are you?",
          "how are you#English"
        ]
      ],
      "raw_glosses": [
        "(Internet slang, text messaging) Abbreviation of how are you?."
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "hru"
    }
  ],
  "word": "HRU"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "forms": [
    {
      "form": "HRUs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "HRU (plural HRUs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "harm reduction unit"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of harm reduction unit."
      ],
      "links": [
        [
          "harm",
          "harm#English"
        ],
        [
          "reduction",
          "reduction#English"
        ],
        [
          "unit",
          "unit#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "word": "HRU"
}