"Planck length" meaning in All languages combined

See Planck length on Wiktionary

Noun [English]

Forms: Planck lengths [plural]
Etymology: Named after Max Planck, who defined it. Head templates: {{en-noun}} Planck length (plural Planck lengths)
  1. (physics) A unit of length, believed to be the scale at which quantum gravity effects become significant, that is defined in terms of the speed of light, the gravitational constant and the reduced Planck's constant, namely: ℓ_P=√hbar Gc³≈1.616 252(81)×10⁻³⁵ mbox m Wikipedia link: Max Planck, Planck length Categories (topical): Physics Related terms: Planck scale, Planck time, Planck unit, superstring
    Sense id: en-Planck_length-en-noun-jhff2AkP Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries Topics: natural-sciences, physical-sciences, physics

Inflected forms

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  "forms": [
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          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
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      "glosses": [
        "A unit of length, believed to be the scale at which quantum gravity effects become significant, that is defined in terms of the speed of light, the gravitational constant and the reduced Planck's constant, namely: ℓ_P=√hbar Gc³≈1.616 252(81)×10⁻³⁵ mbox m"
      ],
      "id": "en-Planck_length-en-noun-jhff2AkP",
      "links": [
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          "speed of light",
          "speed of light"
        ],
        [
          "gravitational constant",
          "gravitational constant"
        ],
        [
          "Planck's constant",
          "Planck's constant"
        ]
      ],
      "raw_glosses": [
        "(physics) A unit of length, believed to be the scale at which quantum gravity effects become significant, that is defined in terms of the speed of light, the gravitational constant and the reduced Planck's constant, namely: ℓ_P=√hbar Gc³≈1.616 252(81)×10⁻³⁵ mbox m"
      ],
      "related": [
        {
          "word": "Planck scale"
        },
        {
          "word": "Planck time"
        },
        {
          "word": "Planck unit"
        },
        {
          "word": "superstring"
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        "physics"
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      "wikipedia": [
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    }
  ],
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}
{
  "etymology_text": "Named after Max Planck, who defined it.",
  "forms": [
    {
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      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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        "A unit of length, believed to be the scale at which quantum gravity effects become significant, that is defined in terms of the speed of light, the gravitational constant and the reduced Planck's constant, namely: ℓ_P=√hbar Gc³≈1.616 252(81)×10⁻³⁵ mbox m"
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      "raw_glosses": [
        "(physics) A unit of length, believed to be the scale at which quantum gravity effects become significant, that is defined in terms of the speed of light, the gravitational constant and the reduced Planck's constant, namely: ℓ_P=√hbar Gc³≈1.616 252(81)×10⁻³⁵ mbox m"
      ],
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}

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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-12-21 from the enwiktionary dump dated 2024-12-04 using wiktextract (d8cb2f3 and 4e554ae). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.