"isomeredd optegol" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "isomeredd optegol m (uncountable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "cy",
          "name": "Chemistry",
          "orig": "cy:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "optical isomerism"
      ],
      "id": "en-isomeredd_optegol-cy-noun-zTDTeSzu",
      "links": [
        [
          "chemistry",
          "chemistry"
        ]
      ],
      "raw_glosses": [
        "(chemistry) optical isomerism"
      ],
      "related": [
        {
          "english": "optical isomer",
          "word": "isomer optegol"
        },
        {
          "english": "structural isomerism",
          "word": "isomeredd adeileddol"
        }
      ],
      "tags": [
        "masculine",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "isomeredd optegol"
}

{
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-"
      },
      "expansion": "isomeredd optegol m (uncountable)",
      "name": "cy-noun"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "related": [
    {
      "english": "optical isomer",
      "word": "isomer optegol"
    },
    {
      "english": "structural isomerism",
      "word": "isomeredd adeileddol"
    }
  ],
  "senses": [
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Pages with 1 entry",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh masculine nouns",
        "Welsh multiword terms",
        "Welsh nouns",
        "Welsh uncountable nouns",
        "cy:Chemistry"
      ],
      "glosses": [
        "optical isomerism"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ]
      ],
      "raw_glosses": [
        "(chemistry) optical isomerism"
      ],
      "tags": [
        "masculine",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "isomeredd optegol"
}