"rational number" meaning in English

{
  "antonyms": [
    {
      "word": "irrational number"
    }
  ],
  "etymology_text": ": rational number < → δείτε τις λέξεις rational και number",
  "forms": [
    {
      "form": "rational number"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Μαθηματικά (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ο ρητός αριθμός"
      ],
      "id": "el-rational_number-en-noun-IGe3ynH~",
      "raw_tags": [
        "μαθηματικά"
      ]
    }
  ],
  "word": "rational number"
}

{
  "antonyms": [
    {
      "word": "irrational number"
    }
  ],
  "etymology_text": ": rational number < → δείτε τις λέξεις rational και number",
  "forms": [
    {
      "form": "rational number"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Μαθηματικά (αγγλικά)"
      ],
      "glosses": [
        "ο ρητός αριθμός"
      ],
      "raw_tags": [
        "μαθηματικά"
      ]
    }
  ],
  "word": "rational number"
}