"concurrency" meaning in English

{
  "antonyms": [
    {
      "word": "nonconcurrency"
    }
  ],
  "forms": [
    {
      "form": "concurrency"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "η ιδιότητα του ταυτόχρονου"
      ],
      "id": "el-concurrency-en-noun-XMGKAN9l"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Επιστήμη υπολογιστών (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ο ταυτοχρονισμός, ταυτόχρονη χρήση"
      ],
      "id": "el-concurrency-en-noun-~Cl0~NpC",
      "raw_tags": [
        "επιστήμη υπολογιστών"
      ]
    }
  ],
  "word": "concurrency"
}

{
  "antonyms": [
    {
      "word": "nonconcurrency"
    }
  ],
  "forms": [
    {
      "form": "concurrency"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "η ιδιότητα του ταυτόχρονου"
      ]
    },
    {
      "categories": [
        "Επιστήμη υπολογιστών (αγγλικά)"
      ],
      "glosses": [
        "ο ταυτοχρονισμός, ταυτόχρονη χρήση"
      ],
      "raw_tags": [
        "επιστήμη υπολογιστών"
      ]
    }
  ],
  "word": "concurrency"
}