"separable prefix" meaning in English

{
  "forms": [
    {
      "form": "separable prefixes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "separable prefix (plural separable prefixes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Grammar",
          "orig": "en:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A prefix that can be detached from the verb it attaches to in several instances."
      ],
      "id": "en-separable_prefix-en-noun-4mzfpdj0",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "detach",
          "detach"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A prefix that can be detached from the verb it attaches to in several instances."
      ],
      "related": [
        {
          "word": "separable verb"
        },
        {
          "word": "prefixoid"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "a prefix that can be detached from the verb",
          "tags": [
            "feminine"
          ],
          "word": "trennbare Vorsilbe"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "a prefix that can be detached from the verb",
          "word": "elváló igekötő"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "otdeljájemaja pristávka",
          "sense": "a prefix that can be detached from the verb",
          "tags": [
            "feminine"
          ],
          "word": "отделя́емая приста́вка"
        }
      ]
    }
  ],
  "word": "separable prefix"
}

{
  "forms": [
    {
      "form": "separable prefixes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "separable prefix (plural separable prefixes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "separable verb"
    },
    {
      "word": "prefixoid"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Grammar",
        "en:Linguistics"
      ],
      "glosses": [
        "A prefix that can be detached from the verb it attaches to in several instances."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "detach",
          "detach"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A prefix that can be detached from the verb it attaches to in several instances."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "a prefix that can be detached from the verb",
      "tags": [
        "feminine"
      ],
      "word": "trennbare Vorsilbe"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "a prefix that can be detached from the verb",
      "word": "elváló igekötő"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "otdeljájemaja pristávka",
      "sense": "a prefix that can be detached from the verb",
      "tags": [
        "feminine"
      ],
      "word": "отделя́емая приста́вка"
    }
  ],
  "word": "separable prefix"
}