[
  {
    "word": "spectrum",
    "phonetic": "/\u02c8spekt\u0279\u0259m/",
    "phonetics": [
      {
        "text": "/\u02c8spekt\u0279\u0259m/",
        "audio": ""
      },
      {
        "text": "/\u02c8spekt\u0279\u0259m/",
        "audio": ""
      },
      {
        "text": "/\u02c8sp\u025bkt(\u0283)\u0279\u0259m/",
        "audio": ""
      }
    ],
    "meanings": [
      {
        "partOfSpeech": "noun",
        "definitions": [
          {
            "definition": "A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "Specifically, a range of colours representing light (electromagnetic radiation) of contiguous frequencies; hence electromagnetic spectrum, visible spectrum, ultraviolet spectrum, etc.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "The autism spectrum.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "The pattern of absorption or emission of radiation produced by a substance when subjected to energy (radiation, heat, electricity, etc.).",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "The set of eigenvalues of a matrix.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "Of a bounded linear operator A, the set of scalar values \u03bb such that the operator A\u2014\u03bbI, where I denotes the identity operator, does not have a bounded inverse; intended as a generalisation of the linear algebra sense.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "(abstract algebra) The set, denoted Spec(R), of all prime ideals of a given ring R, commonly augmented with a Zariski topology and considered as a topological space.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "Specter, apparition.",
            "synonyms": [],
            "antonyms": []
          },
          {
            "definition": "The image of something seen that persists after the eyes are closed.",
            "synonyms": [],
            "antonyms": []
          }
        ],
        "synonyms": [],
        "antonyms": []
      }
    ],
    "license": {
      "name": "CC BY-SA 3.0",
      "url": "https://creativecommons.org/licenses/by-sa/3.0"
    },
    "sourceUrls": [
      "https://en.wiktionary.org/wiki/spectrum"
    ]
  }
]