"reaction mass" meaning in English

{
  "forms": [
    {
      "form": "reaction masses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reaction mass (plural reaction masses)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1984, Chemical Engineering",
          "text": "A small rise in the temperature of the reaction mass increases the reaction rate, which further increases the temperature of the mass.",
          "type": "quotation"
        },
        {
          "ref": "1981, Willard F. Libby, Talking to People",
          "text": "Our proposal involves the use of liquid core fission reactors to heat reaction mass, probably hydrogen, to stellar temperatures; ...",
          "type": "quotation"
        },
        {
          "ref": "1966, Robert Anson Heinlein, The Moon is a Harsh Mistress, Putnam Publishing Group",
          "text": "But hydrogen is expensive in Luna and any mass could be reaction mass; it just would not be as efficient.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "fuel for nuclear energy"
      ],
      "id": "en-reaction_mass-en-noun-NQeNLolR",
      "links": [
        [
          "fuel",
          "fuel"
        ],
        [
          "nuclear energy",
          "nuclear energy"
        ]
      ]
    }
  ],
  "word": "reaction mass"
}

{
  "forms": [
    {
      "form": "reaction masses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "reaction mass (plural reaction masses)",
      "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 quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1984, Chemical Engineering",
          "text": "A small rise in the temperature of the reaction mass increases the reaction rate, which further increases the temperature of the mass.",
          "type": "quotation"
        },
        {
          "ref": "1981, Willard F. Libby, Talking to People",
          "text": "Our proposal involves the use of liquid core fission reactors to heat reaction mass, probably hydrogen, to stellar temperatures; ...",
          "type": "quotation"
        },
        {
          "ref": "1966, Robert Anson Heinlein, The Moon is a Harsh Mistress, Putnam Publishing Group",
          "text": "But hydrogen is expensive in Luna and any mass could be reaction mass; it just would not be as efficient.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "fuel for nuclear energy"
      ],
      "links": [
        [
          "fuel",
          "fuel"
        ],
        [
          "nuclear energy",
          "nuclear energy"
        ]
      ]
    }
  ],
  "word": "reaction mass"
}