"achromat" meaning in English

{
  "etymology_text": "By shortening of achromatic.",
  "forms": [
    {
      "form": "achromats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "achromat (plural achromats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "achromaticity"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Optics",
          "orig": "en:Optics",
          "parents": [
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A lens that imparts little color; a lens that is achromatic."
      ],
      "id": "en-achromat-en-noun-W4pNJCm0",
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "color",
          "color"
        ],
        [
          "achromatic",
          "achromatic"
        ]
      ],
      "raw_glosses": [
        "(optics) A lens that imparts little color; a lens that is achromatic."
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "26 74",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A person whose color blindness prevents them from seeing any color whatsoever."
      ],
      "id": "en-achromat-en-noun-3bKN~JTO",
      "links": [
        [
          "color blindness",
          "color blindness"
        ],
        [
          "color",
          "color"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈæ.kɹəʊ.mæt/",
      "tags": [
        "UK",
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "achromate"
    }
  ],
  "translations": [
    {
      "_dis1": "48 52",
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "achromat"
    }
  ],
  "word": "achromat"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Entries with translation boxes",
    "Pages with 3 entries",
    "Pages with entries",
    "Terms with Polish translations",
    "Translation table header lacks gloss"
  ],
  "etymology_text": "By shortening of achromatic.",
  "forms": [
    {
      "form": "achromats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "achromat (plural achromats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "achromaticity"
    }
  ],
  "senses": [
    {
      "categories": [
        "en:Optics"
      ],
      "glosses": [
        "A lens that imparts little color; a lens that is achromatic."
      ],
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "lens",
          "lens"
        ],
        [
          "color",
          "color"
        ],
        [
          "achromatic",
          "achromatic"
        ]
      ],
      "raw_glosses": [
        "(optics) A lens that imparts little color; a lens that is achromatic."
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "glosses": [
        "A person whose color blindness prevents them from seeing any color whatsoever."
      ],
      "links": [
        [
          "color blindness",
          "color blindness"
        ],
        [
          "color",
          "color"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈæ.kɹəʊ.mæt/",
      "tags": [
        "UK",
        "US"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "achromate"
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "achromat"
    }
  ],
  "word": "achromat"
}