"saturation point" meaning in English

{
  "forms": [
    {
      "form": "saturation points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "saturation point (plural saturation points)",
      "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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          "source": "w"
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          "kind": "other",
          "name": "Terms with Norwegian Bokmål translations",
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      ],
      "glosses": [
        "the stage at which saturation is reached, when something can take no more."
      ],
      "id": "en-saturation_point-en-noun-j8i7bex-",
      "links": [
        [
          "stage",
          "stage"
        ],
        [
          "saturation",
          "saturation"
        ]
      ],
      "translations": [
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "saturation point",
          "tags": [
            "neuter"
          ],
          "word": "metningspunkt"
        }
      ]
    }
  ],
  "word": "saturation point"
}

{
  "forms": [
    {
      "form": "saturation points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "saturation point (plural saturation points)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "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 Norwegian Bokmål translations"
      ],
      "glosses": [
        "the stage at which saturation is reached, when something can take no more."
      ],
      "links": [
        [
          "stage",
          "stage"
        ],
        [
          "saturation",
          "saturation"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "saturation point",
      "tags": [
        "neuter"
      ],
      "word": "metningspunkt"
    }
  ],
  "word": "saturation point"
}