"מלנין" meaning in Hebreo

{
  "categories": [
    {
      "kind": "other",
      "name": "HE:Sustantivos",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "HE:Sustantivos masculinos",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Hebreo",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "melanin",
        "leng": "he"
      },
      "expansion": "Del inglés melanin",
      "name": "etimología"
    }
  ],
  "etymology_text": "Del inglés melanin.",
  "forms": [
    {
      "form": "מֵלָנִין",
      "raw_tags": [
        "Singularia tantum"
      ]
    }
  ],
  "lang": "Hebreo",
  "lang_code": "he",
  "pos": "noun",
  "pos_title": "sustantivo masculino",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "HE:Biología",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Melanina."
      ],
      "id": "es-מלנין-he-noun-pEem1jJo",
      "sense_index": "1",
      "topics": [
        "biology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[meː.la.ˈniːn]"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "מלנין"
}

{
  "categories": [
    "HE:Sustantivos",
    "HE:Sustantivos masculinos",
    "Hebreo"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "melanin",
        "leng": "he"
      },
      "expansion": "Del inglés melanin",
      "name": "etimología"
    }
  ],
  "etymology_text": "Del inglés melanin.",
  "forms": [
    {
      "form": "מֵלָנִין",
      "raw_tags": [
        "Singularia tantum"
      ]
    }
  ],
  "lang": "Hebreo",
  "lang_code": "he",
  "pos": "noun",
  "pos_title": "sustantivo masculino",
  "senses": [
    {
      "categories": [
        "HE:Biología"
      ],
      "glosses": [
        "Melanina."
      ],
      "sense_index": "1",
      "topics": [
        "biology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[meː.la.ˈniːn]"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "מלנין"
}