"opsonin" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ὀψωνέω",
        "4": "",
        "5": "to purchase provisions, to buy victuals, to cater"
      },
      "expansion": "Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "in"
      },
      "expansion": "+ -in",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”) + -in.",
  "forms": [
    {
      "form": "opsonins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "opsonin (plural opsonins)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -in",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "opsonic"
        },
        {
          "word": "opsoniferous"
        },
        {
          "word": "opsonize"
        }
      ],
      "glosses": [
        "Any chemical produced by the body, including antibodies and complement proteins, that causes a pathogen to be more susceptible to phagocytosis."
      ],
      "id": "en-opsonin-en-noun-5cD7G8y6",
      "links": [
        [
          "chemical",
          "chemical"
        ],
        [
          "antibodies",
          "antibody"
        ],
        [
          "complement protein",
          "complement protein"
        ],
        [
          "pathogen",
          "pathogen"
        ],
        [
          "susceptible",
          "susceptible"
        ],
        [
          "phagocytosis",
          "phagocytosis"
        ]
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "an antibody",
          "tags": [
            "feminine"
          ],
          "word": "opsonina"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "an antibody",
          "tags": [
            "feminine"
          ],
          "word": "opsonina"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "an antibody",
          "word": "opsonin"
        }
      ],
      "wikipedia": [
        "opsonin"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɒpsənɪn/"
    }
  ],
  "word": "opsonin"
}

{
  "derived": [
    {
      "word": "opsonic"
    },
    {
      "word": "opsoniferous"
    },
    {
      "word": "opsonize"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ὀψωνέω",
        "4": "",
        "5": "to purchase provisions, to buy victuals, to cater"
      },
      "expansion": "Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "in"
      },
      "expansion": "+ -in",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Ancient Greek ὀψωνέω (opsōnéō, “to purchase provisions, to buy victuals, to cater”) + -in.",
  "forms": [
    {
      "form": "opsonins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "opsonin (plural opsonins)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English 3-syllable words",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English terms suffixed with -in",
        "English terms with IPA pronunciation"
      ],
      "glosses": [
        "Any chemical produced by the body, including antibodies and complement proteins, that causes a pathogen to be more susceptible to phagocytosis."
      ],
      "links": [
        [
          "chemical",
          "chemical"
        ],
        [
          "antibodies",
          "antibody"
        ],
        [
          "complement protein",
          "complement protein"
        ],
        [
          "pathogen",
          "pathogen"
        ],
        [
          "susceptible",
          "susceptible"
        ],
        [
          "phagocytosis",
          "phagocytosis"
        ]
      ],
      "wikipedia": [
        "opsonin"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈɒpsənɪn/"
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "an antibody",
      "tags": [
        "feminine"
      ],
      "word": "opsonina"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "an antibody",
      "tags": [
        "feminine"
      ],
      "word": "opsonina"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "an antibody",
      "word": "opsonin"
    }
  ],
  "word": "opsonin"
}