"monoanion" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mono",
        "3": "anion"
      },
      "expansion": "mono- + anion",
      "name": "prefix"
    }
  ],
  "etymology_text": "mono- + anion",
  "forms": [
    {
      "form": "monoanions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "monoanion (plural monoanions)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "other",
          "name": "English terms prefixed with mono-",
          "parents": [],
          "source": "w"
        },
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          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
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      "examples": [
        {
          "ref": "2015 December 12, “A pH Sensitive High-Throughput Assay for miRNA Binding of a Peptide-Aminoglycoside (PA) Library”, in PLOS ONE, →DOI",
          "text": "The monoanion and dianion states are both potentially relevant at biological pH. The dianion strongly absorbs photons at 480 nm and gives a strong emission peak at 517 nm.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Any anion carrying a single negative charge."
      ],
      "id": "en-monoanion-en-noun-GLY5peyq",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "anion",
          "anion"
        ],
        [
          "negative",
          "negative"
        ],
        [
          "charge",
          "charge"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any anion carrying a single negative charge."
      ],
      "related": [
        {
          "word": "dianion"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "monoanion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mono",
        "3": "anion"
      },
      "expansion": "mono- + anion",
      "name": "prefix"
    }
  ],
  "etymology_text": "mono- + anion",
  "forms": [
    {
      "form": "monoanions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "monoanion (plural monoanions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "dianion"
    }
  ],
  "senses": [
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        "English countable nouns",
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        {
          "ref": "2015 December 12, “A pH Sensitive High-Throughput Assay for miRNA Binding of a Peptide-Aminoglycoside (PA) Library”, in PLOS ONE, →DOI",
          "text": "The monoanion and dianion states are both potentially relevant at biological pH. The dianion strongly absorbs photons at 480 nm and gives a strong emission peak at 517 nm.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Any anion carrying a single negative charge."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "anion",
          "anion"
        ],
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          "negative",
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        ],
        [
          "charge",
          "charge"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Any anion carrying a single negative charge."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "monoanion"
}