"mainstream" meaning in English

{
  "categories": [],
  "etymology_templates": [
    {
      "args": {
        "1": "main",
        "2": "stream"
      },
      "expansion": "main + stream",
      "name": "compound"
    }
  ],
  "etymology_text": "main + stream",
  "forms": [
    {
      "form": "mainstream",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more mainstream",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most mainstream",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The news story wasn't covered by the mainstream media."
        },
        {
          "text": "The show quickly gained a mainstream audience."
        }
      ],
      "glosses": [
        "Something that is mainstream is used or accepted by a lot of people."
      ],
      "id": "simple-mainstream-en-adj-vS6vSYyo"
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmeɪnstriːm/"
    },
    {
      "audio": "en-us-mainstream.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "mainstream"
}

{
  "categories": [],
  "etymology_templates": [
    {
      "args": {
        "1": "main",
        "2": "stream"
      },
      "expansion": "main + stream",
      "name": "compound"
    }
  ],
  "etymology_text": "main + stream",
  "forms": [
    {
      "form": "mainstream",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "–",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun4"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "The mainstream is something that is common or accepted by a lot of people."
      ],
      "id": "simple-mainstream-en-noun-bxPVOs5x",
      "raw_tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmeɪnstriːm/"
    },
    {
      "audio": "en-us-mainstream.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "tags": [
    "singular-only"
  ],
  "word": "mainstream"
}

{
  "categories": [
    "Compound terms"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "main",
        "2": "stream"
      },
      "expansion": "main + stream",
      "name": "compound"
    }
  ],
  "etymology_text": "main + stream",
  "forms": [
    {
      "form": "mainstream",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more mainstream",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most mainstream",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "examples": [
        {
          "text": "The news story wasn't covered by the mainstream media."
        },
        {
          "text": "The show quickly gained a mainstream audience."
        }
      ],
      "glosses": [
        "Something that is mainstream is used or accepted by a lot of people."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmeɪnstriːm/"
    },
    {
      "audio": "en-us-mainstream.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "mainstream"
}

{
  "categories": [
    "Compound terms"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "main",
        "2": "stream"
      },
      "expansion": "main + stream",
      "name": "compound"
    }
  ],
  "etymology_text": "main + stream",
  "forms": [
    {
      "form": "mainstream",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "–",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun4"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Uncountable nouns"
      ],
      "glosses": [
        "The mainstream is something that is common or accepted by a lot of people."
      ],
      "raw_tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈmeɪnstriːm/"
    },
    {
      "audio": "en-us-mainstream.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "tags": [
    "singular-only"
  ],
  "word": "mainstream"
}