"lubricant" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -ant",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "lubricate",
        "2": "ant"
      },
      "expansion": "lubricate + -ant",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "lubricate + -ant",
  "forms": [
    {
      "form": "lubricant",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "lubricants",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "hyphenation": "lu‧bri‧cant",
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "Water is a lubricant. But oil is a better lubricant."
        }
      ],
      "glosses": [
        "Lubricant is a kind of material that can reduce friction."
      ],
      "id": "simple-lubricant-en-noun-B9TrDaVe",
      "raw_tags": [
        "countable & uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈluːbrɪk(ə)nt/"
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-lubricant.wav",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "lubricant"
}

{
  "categories": [
    "Terms suffixed with -ant"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "lubricate",
        "2": "ant"
      },
      "expansion": "lubricate + -ant",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "lubricate + -ant",
  "forms": [
    {
      "form": "lubricant",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "lubricants",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "hyphenation": "lu‧bri‧cant",
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Countable nouns",
        "Uncountable nouns"
      ],
      "examples": [
        {
          "text": "Water is a lubricant. But oil is a better lubricant."
        }
      ],
      "glosses": [
        "Lubricant is a kind of material that can reduce friction."
      ],
      "raw_tags": [
        "countable & uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈluːbrɪk(ə)nt/"
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-lubricant.wav",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "lubricant"
}