"steady state" meaning in English

{
  "forms": [
    {
      "form": "steady states",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "steady state (plural steady states)",
      "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": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any state that does not change over time, or is in a dynamic equilibrium."
      ],
      "id": "en-steady_state-en-noun-dBqZL5Ps",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "dynamic equilibrium",
          "dynamic equilibrium"
        ]
      ],
      "raw_glosses": [
        "(physics) Any state that does not change over time, or is in a dynamic equilibrium."
      ],
      "related": [
        {
          "word": "steady-state"
        },
        {
          "word": "steady state theory"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "steady state"
      ]
    }
  ],
  "word": "steady state"
}

{
  "forms": [
    {
      "form": "steady states",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "steady state (plural steady states)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "steady-state"
    },
    {
      "word": "steady state theory"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Physics"
      ],
      "glosses": [
        "Any state that does not change over time, or is in a dynamic equilibrium."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "dynamic equilibrium",
          "dynamic equilibrium"
        ]
      ],
      "raw_glosses": [
        "(physics) Any state that does not change over time, or is in a dynamic equilibrium."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "steady state"
      ]
    }
  ],
  "word": "steady state"
}