"planetesimal" meaning in English

See planetesimal in All languages combined, or Wiktionary

Adjective

Etymology: Formed from planet by analogy with infinitesimal. Head templates: {{en-adj|-}} planetesimal (not comparable)
  1. (astronomy) Being or relating to one of these astronomical objects. Tags: not-comparable
    Sense id: en-planetesimal-en-adj-DoHnLiEn Categories (other): Astronomy Topics: astronomy, natural-sciences

Noun

Forms: planetesimals [plural]
Etymology: Formed from planet by analogy with infinitesimal. Head templates: {{en-noun}} planetesimal (plural planetesimals)
  1. (astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction. Derived forms: exoplanetesimal, preplanetesimal, protoplanetesimal, satellitesimal Related terms: protoplanet, planetoid, minor planet, dwarf planet, major planet, superplanet, planet, planemo, mesoplanet, asteroid Translations (a small, solid astronomical object): planetesimaali (Finnish), პლანეტოშენადედი (ṗlaneṭošenadedi) (Georgian), Planetesimal [neuter] (German), planetozymal [masculine] (Polish), planetesimal [masculine] (Portuguese), планетезима́ль (planetɛzimálʹ) [feminine] (Russian)
    Sense id: en-planetesimal-en-noun-Ynn6cTRl Categories (other): Astronomy, English entries with incorrect language header, Entries with translation boxes, Pages with 2 entries, Pages with entries, Terms with Finnish translations, Terms with Georgian translations, Terms with German translations, Terms with Polish translations, Terms with Portuguese translations, Terms with Russian translations Disambiguation of English entries with incorrect language header: 41 59 Disambiguation of Entries with translation boxes: 27 73 Disambiguation of Pages with 2 entries: 29 71 Disambiguation of Pages with entries: 36 64 Disambiguation of Terms with Finnish translations: 25 75 Disambiguation of Terms with Georgian translations: 24 76 Disambiguation of Terms with German translations: 24 76 Disambiguation of Terms with Polish translations: 26 74 Disambiguation of Terms with Portuguese translations: 25 75 Disambiguation of Terms with Russian translations: 24 76 Topics: astronomy, natural-sciences

Inflected forms

Alternative forms

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    [
      "planet",
      "planet#English"
    ],
    [
      "infinitesimal",
      "infinitesimal#English"
    ]
  ],
  "etymology_text": "Formed from planet by analogy with infinitesimal.",
  "forms": [
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      "form": "planetesimals",
      "tags": [
        "plural"
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      "expansion": "planetesimal (plural planetesimals)",
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
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          "orig": "en:Astronomy",
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          "_dis": "41 59",
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          "_dis": "36 64",
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        {
          "_dis": "25 75",
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Terms with Georgian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "26 74",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
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        },
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          "_dis": "25 75",
          "kind": "other",
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          "_dis": "24 76",
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
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        }
      ],
      "derived": [
        {
          "word": "exoplanetesimal"
        },
        {
          "word": "preplanetesimal"
        },
        {
          "word": "protoplanetesimal"
        },
        {
          "word": "satellitesimal"
        }
      ],
      "glosses": [
        "Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction."
      ],
      "id": "en-planetesimal-en-noun-Ynn6cTRl",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "astronomical",
          "astronomical"
        ],
        [
          "star",
          "star"
        ],
        [
          "protoplanet",
          "protoplanet"
        ],
        [
          "gravitational",
          "gravitational"
        ],
        [
          "attraction",
          "attraction"
        ]
      ],
      "raw_glosses": [
        "(astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction."
      ],
      "related": [
        {
          "word": "protoplanet"
        },
        {
          "word": "planetoid"
        },
        {
          "word": "minor planet"
        },
        {
          "word": "dwarf planet"
        },
        {
          "word": "major planet"
        },
        {
          "word": "superplanet"
        },
        {
          "word": "planet"
        },
        {
          "word": "planemo"
        },
        {
          "word": "mesoplanet"
        },
        {
          "word": "asteroid"
        }
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "a small, solid astronomical object",
          "word": "planetesimaali"
        },
        {
          "code": "ka",
          "lang": "Georgian",
          "lang_code": "ka",
          "roman": "ṗlaneṭošenadedi",
          "sense": "a small, solid astronomical object",
          "word": "პლანეტოშენადედი"
        },
        {
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "a small, solid astronomical object",
          "tags": [
            "neuter"
          ],
          "word": "Planetesimal"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "lang_code": "pl",
          "sense": "a small, solid astronomical object",
          "tags": [
            "masculine"
          ],
          "word": "planetozymal"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "lang_code": "pt",
          "sense": "a small, solid astronomical object",
          "tags": [
            "masculine"
          ],
          "word": "planetesimal"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "lang_code": "ru",
          "roman": "planetɛzimálʹ",
          "sense": "a small, solid astronomical object",
          "tags": [
            "feminine"
          ],
          "word": "планетезима́ль"
        }
      ]
    }
  ],
  "word": "planetesimal"
}

{
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      "planet",
      "planet#English"
    ],
    [
      "infinitesimal",
      "infinitesimal#English"
    ]
  ],
  "etymology_text": "Formed from planet by analogy with infinitesimal.",
  "head_templates": [
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  "lang_code": "en",
  "pos": "adj",
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        {
          "text": "a planetesimal body"
        }
      ],
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        "Being or relating to one of these astronomical objects."
      ],
      "id": "en-planetesimal-en-adj-DoHnLiEn",
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          "astronomy",
          "astronomy"
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        "(astronomy) Being or relating to one of these astronomical objects."
      ],
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        "not-comparable"
      ],
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        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "planetesimal"
}
{
  "categories": [
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    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "Entries with translation boxes",
    "Pages with 2 entries",
    "Pages with entries",
    "Terms with Finnish translations",
    "Terms with Georgian translations",
    "Terms with German translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Russian translations"
  ],
  "derived": [
    {
      "word": "exoplanetesimal"
    },
    {
      "word": "preplanetesimal"
    },
    {
      "word": "protoplanetesimal"
    },
    {
      "word": "satellitesimal"
    }
  ],
  "etymology_links": [
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      "planet",
      "planet#English"
    ],
    [
      "infinitesimal",
      "infinitesimal#English"
    ]
  ],
  "etymology_text": "Formed from planet by analogy with infinitesimal.",
  "forms": [
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      "tags": [
        "plural"
      ]
    }
  ],
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  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "protoplanet"
    },
    {
      "word": "planetoid"
    },
    {
      "word": "minor planet"
    },
    {
      "word": "dwarf planet"
    },
    {
      "word": "major planet"
    },
    {
      "word": "superplanet"
    },
    {
      "word": "planet"
    },
    {
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    },
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    },
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      "word": "asteroid"
    }
  ],
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      ],
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        "Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction."
      ],
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        [
          "astronomy",
          "astronomy"
        ],
        [
          "astronomical",
          "astronomical"
        ],
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          "star"
        ],
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          "protoplanet",
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        ],
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          "gravitational",
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        ],
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          "attraction",
          "attraction"
        ]
      ],
      "raw_glosses": [
        "(astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "a small, solid astronomical object",
      "word": "planetesimaali"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "lang_code": "ka",
      "roman": "ṗlaneṭošenadedi",
      "sense": "a small, solid astronomical object",
      "word": "პლანეტოშენადედი"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "a small, solid astronomical object",
      "tags": [
        "neuter"
      ],
      "word": "Planetesimal"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "lang_code": "pl",
      "sense": "a small, solid astronomical object",
      "tags": [
        "masculine"
      ],
      "word": "planetozymal"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "a small, solid astronomical object",
      "tags": [
        "masculine"
      ],
      "word": "planetesimal"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "planetɛzimálʹ",
      "sense": "a small, solid astronomical object",
      "tags": [
        "feminine"
      ],
      "word": "планетезима́ль"
    }
  ],
  "word": "planetesimal"
}

{
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    "English countable nouns",
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    "English lemmas",
    "English nouns",
    "English uncomparable adjectives",
    "Entries with translation boxes",
    "Pages with 2 entries",
    "Pages with entries",
    "Terms with Finnish translations",
    "Terms with Georgian translations",
    "Terms with German translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Russian translations"
  ],
  "etymology_links": [
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      "planet",
      "planet#English"
    ],
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      "infinitesimal#English"
    ]
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  "etymology_text": "Formed from planet by analogy with infinitesimal.",
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      },
      "expansion": "planetesimal (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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    {
      "categories": [
        "en:Astronomy"
      ],
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        {
          "text": "a planetesimal body"
        }
      ],
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        "Being or relating to one of these astronomical objects."
      ],
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          "astronomy"
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        "(astronomy) Being or relating to one of these astronomical objects."
      ],
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        "not-comparable"
      ],
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        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "planetesimal"
}

Download raw JSONL data for planetesimal meaning in English (3.9kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-09-28 from the enwiktionary dump dated 2026-09-02 using wiktextract (1a05e46 and e3d6d4e). 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.