"SEM" meaning in Polish

{
  "head_templates": [
    {
      "args": {
        "1": "f",
        "indecl": "1"
      },
      "expansion": "SEM f (indeclinable)",
      "name": "pl-noun"
    }
  ],
  "hyphenation": [
    "SEM"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "electromotive force",
          "word": "siła elektromotoryczna"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pl",
          "name": "Physics",
          "orig": "pl:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of siła elektromotoryczna (“electromotive force”)."
      ],
      "id": "en-SEM-pl-noun-6XfV39zu",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "siła elektromotoryczna",
          "siła elektromotoryczna#Polish"
        ]
      ],
      "raw_glosses": [
        "(physics) Initialism of siła elektromotoryczna (“electromotive force”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "feminine",
        "indeclinable",
        "initialism"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɛm/"
    },
    {
      "rhymes": "-ɛm"
    }
  ],
  "word": "SEM"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f",
        "indecl": "1"
      },
      "expansion": "SEM f (indeclinable)",
      "name": "pl-noun"
    }
  ],
  "hyphenation": [
    "SEM"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "electromotive force",
          "word": "siła elektromotoryczna"
        }
      ],
      "categories": [
        "Polish 1-syllable words",
        "Polish entries with incorrect language header",
        "Polish feminine nouns",
        "Polish indeclinable nouns",
        "Polish initialisms",
        "Polish lemmas",
        "Polish nouns",
        "Polish terms with IPA pronunciation",
        "Rhymes:Polish/ɛm",
        "Rhymes:Polish/ɛm/1 syllable",
        "pl:Physics"
      ],
      "glosses": [
        "Initialism of siła elektromotoryczna (“electromotive force”)."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "siła elektromotoryczna",
          "siła elektromotoryczna#Polish"
        ]
      ],
      "raw_glosses": [
        "(physics) Initialism of siła elektromotoryczna (“electromotive force”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "feminine",
        "indeclinable",
        "initialism"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɛm/"
    },
    {
      "rhymes": "-ɛm"
    }
  ],
  "word": "SEM"
}