"apoapsis" meaning in English

See apoapsis in All languages combined, or Wiktionary

Noun

Forms: apoapsides [plural], apoapsises [plural], apoapses [plural], apapsis [alternative]
Etymology: From apo- + apsis. Etymology templates: {{prefix|en|apo|apsis}} apo- + apsis Head templates: {{en-noun|apoapsides|es|apoapses}} apoapsis (plural apoapsides or apoapsises or apoapses)
  1. (astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum. Synonyms: apocenter, apoapse Translations (point of a body's elliptical orbit): апоапсида (apoapsida) [feminine] (Bulgarian), apoapsis (Finnish), apoapse (French), apoapside [masculine] (French), απόαψη (apóapsi) [feminine] (Greek), apaipsis [feminine] (Irish), apoapside [masculine] (Portuguese)

Inflected forms

Alternative forms

{
  "antonyms": [
    {
      "word": "periapsis"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "apo",
        "3": "apsis"
      },
      "expansion": "apo- + apsis",
      "name": "prefix"
    }
  ],
  "etymology_text": "From apo- + apsis.",
  "forms": [
    {
      "form": "apoapsides",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "apoapsises",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "apoapses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "apapsis",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "apoapsides",
        "2": "es",
        "3": "apoapses"
      },
      "expansion": "apoapsis (plural apoapsides or apoapsises or apoapses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with apo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Bulgarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Greek translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Irish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Orbits",
          "orig": "en:Orbits",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum."
      ],
      "id": "en-apoapsis-en-noun-rTF57SUs",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "point",
          "point"
        ],
        [
          "body",
          "body"
        ],
        [
          "elliptical",
          "ellipse"
        ],
        [
          "orbit",
          "orbit"
        ],
        [
          "system",
          "system"
        ],
        [
          "centre",
          "centre"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "distance",
          "distance"
        ],
        [
          "maximum",
          "maximum"
        ]
      ],
      "raw_glosses": [
        "(astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum."
      ],
      "related": [
        {
          "word": "apastron"
        },
        {
          "word": "aphelion"
        },
        {
          "word": "apoareion"
        },
        {
          "word": "apocenter"
        },
        {
          "word": "apocynthion"
        },
        {
          "word": "apocytherion"
        },
        {
          "word": "apogalacticon"
        },
        {
          "word": "apogee"
        },
        {
          "word": "apohermion"
        },
        {
          "word": "apojove"
        },
        {
          "word": "apokrone"
        },
        {
          "word": "apokron"
        },
        {
          "word": "apolune"
        },
        {
          "word": "aponigricon"
        },
        {
          "word": "aposaturnium"
        },
        {
          "word": "aposelene"
        }
      ],
      "synonyms": [
        {
          "word": "apocenter"
        },
        {
          "word": "apoapse"
        }
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "apoapsida",
          "sense": "point of a body's elliptical orbit",
          "tags": [
            "feminine"
          ],
          "word": "апоапсида"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "point of a body's elliptical orbit",
          "word": "apoapsis"
        },
        {
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "point of a body's elliptical orbit",
          "word": "apoapse"
        },
        {
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "point of a body's elliptical orbit",
          "tags": [
            "masculine"
          ],
          "word": "apoapside"
        },
        {
          "code": "el",
          "lang": "Greek",
          "lang_code": "el",
          "roman": "apóapsi",
          "sense": "point of a body's elliptical orbit",
          "tags": [
            "feminine"
          ],
          "word": "απόαψη"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "lang_code": "ga",
          "sense": "point of a body's elliptical orbit",
          "tags": [
            "feminine"
          ],
          "word": "apaipsis"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "lang_code": "pt",
          "sense": "point of a body's elliptical orbit",
          "tags": [
            "masculine"
          ],
          "word": "apoapside"
        }
      ]
    }
  ],
  "word": "apoapsis"
}
{
  "antonyms": [
    {
      "word": "periapsis"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "apo",
        "3": "apsis"
      },
      "expansion": "apo- + apsis",
      "name": "prefix"
    }
  ],
  "etymology_text": "From apo- + apsis.",
  "forms": [
    {
      "form": "apoapsides",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "apoapsises",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "apoapses",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "apapsis",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "apoapsides",
        "2": "es",
        "3": "apoapses"
      },
      "expansion": "apoapsis (plural apoapsides or apoapsises or apoapses)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "apastron"
    },
    {
      "word": "aphelion"
    },
    {
      "word": "apoareion"
    },
    {
      "word": "apocenter"
    },
    {
      "word": "apocynthion"
    },
    {
      "word": "apocytherion"
    },
    {
      "word": "apogalacticon"
    },
    {
      "word": "apogee"
    },
    {
      "word": "apohermion"
    },
    {
      "word": "apojove"
    },
    {
      "word": "apokrone"
    },
    {
      "word": "apokron"
    },
    {
      "word": "apolune"
    },
    {
      "word": "aponigricon"
    },
    {
      "word": "aposaturnium"
    },
    {
      "word": "aposelene"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms prefixed with apo-",
        "Entries with translation boxes",
        "Pages with 2 entries",
        "Pages with entries",
        "Terms with Bulgarian translations",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Greek translations",
        "Terms with Irish translations",
        "Terms with Portuguese translations",
        "en:Astronomy",
        "en:Orbits"
      ],
      "glosses": [
        "The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "point",
          "point"
        ],
        [
          "body",
          "body"
        ],
        [
          "elliptical",
          "ellipse"
        ],
        [
          "orbit",
          "orbit"
        ],
        [
          "system",
          "system"
        ],
        [
          "centre",
          "centre"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "distance",
          "distance"
        ],
        [
          "maximum",
          "maximum"
        ]
      ],
      "raw_glosses": [
        "(astronomy) The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its maximum."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "apocenter"
    },
    {
      "word": "apoapse"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "apoapsida",
      "sense": "point of a body's elliptical orbit",
      "tags": [
        "feminine"
      ],
      "word": "апоапсида"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "point of a body's elliptical orbit",
      "word": "apoapsis"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "point of a body's elliptical orbit",
      "word": "apoapse"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "point of a body's elliptical orbit",
      "tags": [
        "masculine"
      ],
      "word": "apoapside"
    },
    {
      "code": "el",
      "lang": "Greek",
      "lang_code": "el",
      "roman": "apóapsi",
      "sense": "point of a body's elliptical orbit",
      "tags": [
        "feminine"
      ],
      "word": "απόαψη"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "lang_code": "ga",
      "sense": "point of a body's elliptical orbit",
      "tags": [
        "feminine"
      ],
      "word": "apaipsis"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "point of a body's elliptical orbit",
      "tags": [
        "masculine"
      ],
      "word": "apoapside"
    }
  ],
  "word": "apoapsis"
}

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-02-01 from the enwiktionary dump dated 2026-01-01 using wiktextract (f492ef9 and 9905b1f). 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.

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