"haem" meaning in English

{
  "forms": [
    {
      "form": "haems",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "haem (countable and uncountable, plural haems)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Canadian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Irish English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "New Zealand English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "South African English",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2010, Pierre Cornelis, Simon Andrews (editors), Iron Uptake and Homeostasis in Microorganisms, page 17:",
          "text": "Haem is ubiquitous, abundant and necessary for energy metabolism. Most bacteria have a haem biosynthesis pathway, but nevertheless, since haem is a major source of iron (an essential metal), microbes take up exogenous haem to retrieve iron.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Australia, Canada, Ireland, New Zealand, South Africa, and UK standard spelling of heme."
      ],
      "id": "en-haem-en-noun-m9Si3uiy",
      "links": [
        [
          "heme",
          "heme#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/hiːm/",
      "tags": [
        "UK"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-haem.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/63/LL-Q1860_%28eng%29-Vealhurl-haem.wav/LL-Q1860_%28eng%29-Vealhurl-haem.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/63/LL-Q1860_%28eng%29-Vealhurl-haem.wav/LL-Q1860_%28eng%29-Vealhurl-haem.wav.ogg"
    },
    {
      "rhymes": "-iːm"
    }
  ],
  "word": "haem"
}

{
  "forms": [
    {
      "form": "haems",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "haem (countable and uncountable, plural haems)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Australian English",
        "British English",
        "Canadian English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Irish English",
        "New Zealand English",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Rhymes:English/iːm",
        "Rhymes:English/iːm/1 syllable",
        "South African English"
      ],
      "examples": [
        {
          "ref": "2010, Pierre Cornelis, Simon Andrews (editors), Iron Uptake and Homeostasis in Microorganisms, page 17:",
          "text": "Haem is ubiquitous, abundant and necessary for energy metabolism. Most bacteria have a haem biosynthesis pathway, but nevertheless, since haem is a major source of iron (an essential metal), microbes take up exogenous haem to retrieve iron.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Australia, Canada, Ireland, New Zealand, South Africa, and UK standard spelling of heme."
      ],
      "links": [
        [
          "heme",
          "heme#English"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/hiːm/",
      "tags": [
        "UK"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-haem.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/63/LL-Q1860_%28eng%29-Vealhurl-haem.wav/LL-Q1860_%28eng%29-Vealhurl-haem.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/63/LL-Q1860_%28eng%29-Vealhurl-haem.wav/LL-Q1860_%28eng%29-Vealhurl-haem.wav.ogg"
    },
    {
      "rhymes": "-iːm"
    }
  ],
  "word": "haem"
}