"chemical species" meaning in English

{
  "forms": [
    {
      "form": "chemical species",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "chemical species"
      },
      "expansion": "chemical species (plural chemical species)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment."
      ],
      "id": "en-chemical_species-en-noun-OsdZTzhU",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "molecular entities",
          "molecular entity"
        ]
      ],
      "meronyms": [
        {
          "word": "molecular entity"
        }
      ],
      "raw_glosses": [
        "(chemistry) An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "chemical species",
          "tags": [
            "feminine"
          ],
          "word": "espècie química"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "chemical species",
          "tags": [
            "feminine"
          ],
          "word": "espèce chimique"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "chemical species",
          "tags": [
            "feminine"
          ],
          "word": "espécie química"
        }
      ]
    }
  ],
  "word": "chemical species"
}

{
  "forms": [
    {
      "form": "chemical species",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
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      },
      "expansion": "chemical species (plural chemical species)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "meronyms": [
    {
      "word": "molecular entity"
    }
  ],
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Catalan translations",
        "Terms with French translations",
        "Terms with Portuguese translations",
        "en:Chemistry"
      ],
      "glosses": [
        "An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "molecular entities",
          "molecular entity"
        ]
      ],
      "raw_glosses": [
        "(chemistry) An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "chemical species",
      "tags": [
        "feminine"
      ],
      "word": "espècie química"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "chemical species",
      "tags": [
        "feminine"
      ],
      "word": "espèce chimique"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "chemical species",
      "tags": [
        "feminine"
      ],
      "word": "espécie química"
    }
  ],
  "word": "chemical species"
}