"wet heater" meaning in English

{
  "forms": [
    {
      "form": "wet heaters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wet heater (plural wet heaters)",
      "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": "Mechanical engineering",
          "orig": "en:Mechanical engineering",
          "parents": [
            "Engineering",
            "Applied sciences",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "dry heater"
        }
      ],
      "glosses": [
        "A type of torpedo engine where water is injected into the combustion chamber alongside fuel and compressed air or oxygen, cooling the engine and increasing its power through the production and expansion of steam."
      ],
      "id": "en-wet_heater-en-noun-9v8sZJf~",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "mechanical engineering",
          "mechanical engineering"
        ],
        [
          "torpedo",
          "torpedo"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "water",
          "water"
        ],
        [
          "combustion chamber",
          "combustion chamber"
        ],
        [
          "fuel",
          "fuel"
        ],
        [
          "air",
          "air"
        ],
        [
          "oxygen",
          "oxygen"
        ],
        [
          "steam",
          "steam"
        ]
      ],
      "raw_glosses": [
        "(military, mechanical engineering) A type of torpedo engine where water is injected into the combustion chamber alongside fuel and compressed air or oxygen, cooling the engine and increasing its power through the production and expansion of steam."
      ],
      "topics": [
        "engineering",
        "government",
        "mechanical",
        "mechanical-engineering",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "war"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/wɛt ˈhi.ɾɚ/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "/wɛt ˈhi.təː/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "audio": "en-us-wet heater.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/56/En-us-wet_heater.ogg/En-us-wet_heater.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/56/En-us-wet_heater.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "wet heater"
}

{
  "coordinate_terms": [
    {
      "word": "dry heater"
    }
  ],
  "forms": [
    {
      "form": "wet heaters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wet heater (plural wet heaters)",
      "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",
        "English terms with IPA pronunciation",
        "English terms with audio links",
        "en:Mechanical engineering",
        "en:Military"
      ],
      "glosses": [
        "A type of torpedo engine where water is injected into the combustion chamber alongside fuel and compressed air or oxygen, cooling the engine and increasing its power through the production and expansion of steam."
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "mechanical engineering",
          "mechanical engineering"
        ],
        [
          "torpedo",
          "torpedo"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "water",
          "water"
        ],
        [
          "combustion chamber",
          "combustion chamber"
        ],
        [
          "fuel",
          "fuel"
        ],
        [
          "air",
          "air"
        ],
        [
          "oxygen",
          "oxygen"
        ],
        [
          "steam",
          "steam"
        ]
      ],
      "raw_glosses": [
        "(military, mechanical engineering) A type of torpedo engine where water is injected into the combustion chamber alongside fuel and compressed air or oxygen, cooling the engine and increasing its power through the production and expansion of steam."
      ],
      "topics": [
        "engineering",
        "government",
        "mechanical",
        "mechanical-engineering",
        "military",
        "natural-sciences",
        "physical-sciences",
        "politics",
        "war"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/wɛt ˈhi.ɾɚ/",
      "tags": [
        "General-American"
      ]
    },
    {
      "ipa": "/wɛt ˈhi.təː/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "audio": "en-us-wet heater.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/5/56/En-us-wet_heater.ogg/En-us-wet_heater.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/5/56/En-us-wet_heater.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "word": "wet heater"
}