"periapsis" meaning in English

{
  "antonyms": [
    {
      "word": "apoapsis"
    }
  ],
  "derived": [
    {
      "_dis1": "0 0",
      "word": "argument of periapsis"
    },
    {
      "_dis1": "0 0",
      "word": "longitude of periapsis"
    }
  ],
  "etymology_links": [
    [
      "*per-",
      "Reconstruction:Proto-Indo-European/per-#Proto-Indo-European:_before"
    ],
    [
      "περῐ́",
      "περί#Ancient_Greek"
    ],
    [
      "peri-",
      "peri-#English"
    ],
    [
      "apsis",
      "apsis#English"
    ],
    [
      "peri-",
      "peri-#English"
    ],
    [
      "apsis",
      "apsis#English"
    ]
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      "expansion": "Etymology tree\nProto-Indo-European *per-der.\nAncient Greek περῐ́ (perĭ́)der.\nEnglish peri-\nEnglish apsis\nEnglish periapsis\n[Appendix:Glossary#derived_terms|Derived]] from\", \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"before\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*per-\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Ancient Greek\", \"term\" : \"περῐ́\", \"status\" : \"ok\", \"lang\" : \"grc\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"English\", \"term\" : \"peri-\", \"status\" : \"ok\", \"lang\" : \"en\" }, { \"children\" : [ ], \"lang_name\" : \"English\", \"term\" : \"apsis\", \"status\" : \"missing\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"periapsis\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"periapsis\">\nFrom peri- + apsis.",
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    }
  ],
  "etymology_text": "Etymology tree\nProto-Indo-European *per-der.\nAncient Greek περῐ́ (perĭ́)der.\nEnglish peri-\nEnglish apsis\nEnglish periapsis\nFrom peri- + apsis.",
  "forms": [
    {
      "form": "periapsides",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "periapsises",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "periapses",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "_dis1": "0 0",
      "word": "apsis"
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  "lang_code": "en",
  "pos": "noun",
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    {
      "_dis1": "0 0",
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      "_dis1": "0 0",
      "word": "periastron"
    },
    {
      "_dis1": "0 0",
      "word": "peribothron"
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    {
      "_dis1": "0 0",
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    },
    {
      "_dis1": "0 0",
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    {
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      "_dis1": "0 0",
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      "_dis1": "0 0",
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      "_dis1": "0 0",
      "word": "perihelion"
    },
    {
      "_dis1": "0 0",
      "word": "perihermion"
    },
    {
      "_dis1": "0 0",
      "word": "perijove"
    },
    {
      "_dis1": "0 0",
      "word": "perikrone"
    },
    {
      "_dis1": "0 0",
      "word": "perikron"
    },
    {
      "_dis1": "0 0",
      "word": "perilune"
    },
    {
      "_dis1": "0 0",
      "word": "perimelasma"
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      "_dis1": "0 0",
      "word": "perinigricon"
    },
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      "_dis1": "0 0",
      "word": "periposeidion"
    },
    {
      "_dis1": "0 0",
      "word": "perisaturnium"
    },
    {
      "_dis1": "0 0",
      "word": "periselene"
    }
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          "text": "1983, Richard O. Fimmel, Laurence Colin, Eric Burgess, Pioneer Venus, NASA SP-461, page 109,\nFigure 5-19. Sun-Venus-Orbiter geometry illustrates how the periapsis moves around the planet during the Venusian sidereal year to sample day and night hemispheres. Because the planet rotates in a retrograde direction, it takes more than one Venusian sidereal year for periapsis to move over all longitudes of the planet (as explained in text)."
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        }
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      ],
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        {
          "_dis1": "90 10",
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "periapsida",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "периапсида"
        },
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          "_dis1": "90 10",
          "code": "nl",
          "lang": "Dutch",
          "lang_code": "nl",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "perifocus"
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          "_dis1": "90 10",
          "code": "nl",
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          "lang_code": "nl",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "periapsis"
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          "_dis1": "90 10",
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          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "Translations",
          "word": "periapsis"
        },
        {
          "_dis1": "90 10",
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "Translations",
          "word": "périapse"
        },
        {
          "_dis1": "90 10",
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "Translations",
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            "masculine"
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          "word": "périapside"
        },
        {
          "_dis1": "90 10",
          "code": "el",
          "lang": "Greek",
          "lang_code": "el",
          "roman": "períapsi",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "περίαψη"
        },
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          "_dis1": "90 10",
          "code": "ga",
          "lang": "Irish",
          "lang_code": "ga",
          "sense": "Translations",
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            "feminine"
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          "word": "pearaipsis"
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          "_dis1": "90 10",
          "code": "pt",
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        "The minimum distance between the two bodies in such a system."
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      "_dis1": "0 0",
      "word": "pericenter"
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      "word": "periapse"
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      "word": "apoapsis"
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    "en:Orbits"
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      "audio": "LL-Q1860 (eng)-Flame, not lame-periapsis.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/48/LL-Q1860_%28eng%29-Flame%2C_not_lame-periapsis.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-periapsis.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/48/LL-Q1860_%28eng%29-Flame%2C_not_lame-periapsis.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-periapsis.wav.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "pericenter"
    },
    {
      "word": "periapse"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "periapsida",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "периапсида"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "lang_code": "nl",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "perifocus"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "lang_code": "nl",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "periapsis"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "Translations",
      "word": "periapsis"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "Translations",
      "word": "périapse"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "périapside"
    },
    {
      "code": "el",
      "lang": "Greek",
      "lang_code": "el",
      "roman": "períapsi",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "περίαψη"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "lang_code": "ga",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "pearaipsis"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "periapside"
    }
  ],
  "word": "periapsis"
}