"metachrome" meaning in English

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      "expansion": "metachrome (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Designating dyes and mordants that are applied together."
      ],
      "id": "en-metachrome-en-adj-d6oLIb9d",
      "links": [
        [
          "dye",
          "dye#English"
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        [
          "mordant",
          "mordant#English"
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      ],
      "tags": [
        "not-comparable"
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    }
  ],
  "word": "metachrome"
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      "expansion": "metachrome (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Designating dyes and mordants that are applied together."
      ],
      "links": [
        [
          "dye",
          "dye#English"
        ],
        [
          "mordant",
          "mordant#English"
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      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "metachrome"
}