"blow-by" meaning in English

{
  "forms": [
    {
      "form": "blow-bys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "2": "s"
      },
      "expansion": "blow-by (countable and uncountable, plural blow-bys)",
      "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 entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Automotive",
          "orig": "en:Automotive",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "In an internal combustion engine, any burnt or unburnt matter escaping from the cylinder, past the (worn) rings on the piston, and into the crankcase."
      ],
      "id": "en-blow-by-en-noun-1Tk2bT~X",
      "links": [
        [
          "automotive",
          "automotive"
        ],
        [
          "internal combustion engine",
          "internal combustion engine"
        ],
        [
          "cylinder",
          "cylinder"
        ],
        [
          "ring",
          "ring"
        ],
        [
          "piston",
          "piston"
        ],
        [
          "crankcase",
          "crankcase"
        ]
      ],
      "raw_glosses": [
        "(automotive) In an internal combustion engine, any burnt or unburnt matter escaping from the cylinder, past the (worn) rings on the piston, and into the crankcase."
      ],
      "related": [
        {
          "word": "blow-by-blow"
        },
        {
          "word": "by-blow"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "automotive",
        "transport",
        "vehicles"
      ]
    }
  ],
  "word": "blow-by"
}

{
  "forms": [
    {
      "form": "blow-bys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "2": "s"
      },
      "expansion": "blow-by (countable and uncountable, plural blow-bys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "blow-by-blow"
    },
    {
      "word": "by-blow"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English phrasal nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Automotive"
      ],
      "glosses": [
        "In an internal combustion engine, any burnt or unburnt matter escaping from the cylinder, past the (worn) rings on the piston, and into the crankcase."
      ],
      "links": [
        [
          "automotive",
          "automotive"
        ],
        [
          "internal combustion engine",
          "internal combustion engine"
        ],
        [
          "cylinder",
          "cylinder"
        ],
        [
          "ring",
          "ring"
        ],
        [
          "piston",
          "piston"
        ],
        [
          "crankcase",
          "crankcase"
        ]
      ],
      "raw_glosses": [
        "(automotive) In an internal combustion engine, any burnt or unburnt matter escaping from the cylinder, past the (worn) rings on the piston, and into the crankcase."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "automotive",
        "transport",
        "vehicles"
      ]
    }
  ],
  "word": "blow-by"
}