"PEI" meaning in English

{
  "head_templates": [
    {
      "args": {},
      "expansion": "PEI",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a province of Canada",
          "word": "Prince Edward Island"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of Prince Edward Island, a province of Canada."
      ],
      "id": "en-PEI-en-name-AR-PVhAM",
      "links": [
        [
          "Prince Edward Island",
          "Prince Edward Island#English"
        ],
        [
          "province",
          "province"
        ],
        [
          "Canada",
          "Canada"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "pē ē ī"
    },
    {
      "ipa": "/piː.iː.aɪ/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "word": "P.E.I."
    },
    {
      "_dis1": "0 0 0",
      "word": "P. E. I."
    }
  ],
  "word": "PEI"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "PEI (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "polyethyleneimine"
        }
      ],
      "categories": [],
      "glosses": [
        "Abbreviation of polyethyleneimine."
      ],
      "id": "en-PEI-en-noun-K3Ap6koX",
      "links": [
        [
          "polyethyleneimine",
          "polyethyleneimine#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "uncountable"
      ]
    },
    {
      "alt_of": [
        {
          "word": "pancreatic exocrine insufficiency"
        }
      ],
      "categories": [],
      "glosses": [
        "Initialism of pancreatic exocrine insufficiency."
      ],
      "id": "en-PEI-en-noun-XWRUA9~h",
      "links": [
        [
          "pancreatic",
          "pancreatic#English"
        ],
        [
          "exocrine",
          "exocrine#English"
        ],
        [
          "insufficiency",
          "insufficiency#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "pē ē ī"
    },
    {
      "ipa": "/piː.iː.aɪ/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "word": "P.E.I."
    },
    {
      "_dis1": "0 0 0",
      "word": "P. E. I."
    }
  ],
  "word": "PEI"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English proper nouns",
    "English uncountable nouns",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "PEI",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a province of Canada",
          "word": "Prince Edward Island"
        }
      ],
      "categories": [
        "English initialisms",
        "English links with redundant wikilinks"
      ],
      "glosses": [
        "Initialism of Prince Edward Island, a province of Canada."
      ],
      "links": [
        [
          "Prince Edward Island",
          "Prince Edward Island#English"
        ],
        [
          "province",
          "province"
        ],
        [
          "Canada",
          "Canada"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "pē ē ī"
    },
    {
      "ipa": "/piː.iː.aɪ/"
    }
  ],
  "synonyms": [
    {
      "word": "P.E.I."
    },
    {
      "word": "P. E. I."
    }
  ],
  "word": "PEI"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English proper nouns",
    "English uncountable nouns",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "PEI (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "polyethyleneimine"
        }
      ],
      "categories": [
        "English abbreviations"
      ],
      "glosses": [
        "Abbreviation of polyethyleneimine."
      ],
      "links": [
        [
          "polyethyleneimine",
          "polyethyleneimine#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "uncountable"
      ]
    },
    {
      "alt_of": [
        {
          "word": "pancreatic exocrine insufficiency"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of pancreatic exocrine insufficiency."
      ],
      "links": [
        [
          "pancreatic",
          "pancreatic#English"
        ],
        [
          "exocrine",
          "exocrine#English"
        ],
        [
          "insufficiency",
          "insufficiency#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "pē ē ī"
    },
    {
      "ipa": "/piː.iː.aɪ/"
    }
  ],
  "synonyms": [
    {
      "word": "P.E.I."
    },
    {
      "word": "P. E. I."
    }
  ],
  "word": "PEI"
}