"Planck particle" meaning in English

{
  "etymology_text": "Named after Max Planck.",
  "forms": [
    {
      "form": "Planck particles",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "Planck particle (plural Planck particles)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Black holes",
          "orig": "en:Black holes",
          "parents": [
            "Astronomy",
            "Astrophysics",
            "Gravity",
            "Relativity",
            "Sciences",
            "Space",
            "Physics",
            "Acceleration",
            "Mechanics",
            "All topics",
            "Nature",
            "Fundamental"
          ],
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A hypothetical particle having physical quantities on the Planck scale, most importantly being one Planck mass in mass."
      ],
      "id": "en-Planck_particle-en-noun-SMJ4iIqd",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "Planck scale",
          "Planck scale"
        ],
        [
          "Planck mass",
          "Planck mass"
        ],
        [
          "mass",
          "mass"
        ]
      ],
      "raw_glosses": [
        "(physics) A hypothetical particle having physical quantities on the Planck scale, most importantly being one Planck mass in mass."
      ],
      "synonyms": [
        {
          "word": "planckon"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Planck particle"
      ]
    }
  ],
  "word": "Planck particle"
}

{
  "etymology_text": "Named after Max Planck.",
  "forms": [
    {
      "form": "Planck particles",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Planck particle (plural Planck particles)",
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    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Black holes",
        "en:Physics"
      ],
      "glosses": [
        "A hypothetical particle having physical quantities on the Planck scale, most importantly being one Planck mass in mass."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "Planck scale",
          "Planck scale"
        ],
        [
          "Planck mass",
          "Planck mass"
        ],
        [
          "mass",
          "mass"
        ]
      ],
      "raw_glosses": [
        "(physics) A hypothetical particle having physical quantities on the Planck scale, most importantly being one Planck mass in mass."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Planck particle"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "planckon"
    }
  ],
  "word": "Planck particle"
}