"Prandtl number" meaning in All languages combined

See Prandtl number on Wiktionary

Noun [English]

Forms: Prandtl numbers [plural]
Etymology: Named after the German physicist Ludwig Prandtl. Head templates: {{en-noun}} Prandtl number (plural Prandtl numbers)
  1. A dimensionless number (symbol Pr) defined as the ratio of momentum diffusivity to thermal diffusivity.
    Sense id: en-Prandtl_number-en-noun-aJByecEr Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries

Inflected forms

{
  "etymology_text": "Named after the German physicist Ludwig Prandtl.",
  "forms": [
    {
      "form": "Prandtl numbers",
      "tags": [
        "plural"
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  "head_templates": [
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      "expansion": "Prandtl number (plural Prandtl numbers)",
      "name": "en-noun"
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  "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A dimensionless number (symbol Pr) defined as the ratio of momentum diffusivity to thermal diffusivity."
      ],
      "id": "en-Prandtl_number-en-noun-aJByecEr",
      "links": [
        [
          "dimensionless",
          "dimensionless"
        ],
        [
          "number",
          "number"
        ],
        [
          "Pr",
          "Pr#Translingual"
        ],
        [
          "ratio",
          "ratio"
        ],
        [
          "momentum",
          "momentum"
        ],
        [
          "diffusivity",
          "diffusivity"
        ],
        [
          "thermal",
          "thermal"
        ]
      ]
    }
  ],
  "word": "Prandtl number"
}
{
  "etymology_text": "Named after the German physicist Ludwig Prandtl.",
  "forms": [
    {
      "form": "Prandtl numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Prandtl number (plural Prandtl numbers)",
      "name": "en-noun"
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A dimensionless number (symbol Pr) defined as the ratio of momentum diffusivity to thermal diffusivity."
      ],
      "links": [
        [
          "dimensionless",
          "dimensionless"
        ],
        [
          "number",
          "number"
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        [
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        ],
        [
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          "ratio"
        ],
        [
          "momentum",
          "momentum"
        ],
        [
          "diffusivity",
          "diffusivity"
        ],
        [
          "thermal",
          "thermal"
        ]
      ]
    }
  ],
  "word": "Prandtl number"
}

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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 2025-02-15 from the enwiktionary dump dated 2025-02-02 using wiktextract (ca09fec and c40eb85). 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.