"zettameter" meaning in English

{
  "forms": [
    {
      "form": "zettameters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zettameter (plural zettameters)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "zettametre"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "SI units",
          "orig": "en:SI units",
          "parents": [
            "Units of measure",
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015, Claude Phipps, No Wonder You Wonder!: Great Inventions and Scientific Mysteries, →ISBN:",
          "text": "On the other extreme, our galaxy (we call it the Milky Way) is about 0.9 Zm (Zettameters, 100 million trillion meters) in diameter.",
          "type": "quote"
        },
        {
          "ref": "2016, Richard N. Aufmann, Joanne Lockwood, Richard D. Nation, Mathematical Excursions, →ISBN, page 364:",
          "text": "What is the speed of light in Zm (zettameters) per second?",
          "type": "quote"
        },
        {
          "ref": "2017, Walter D. Loveland, David J. Morrissey, Glenn T. Seaborg, Modern Nuclear Chemistry, →ISBN, page 2:",
          "text": "The size scale for the nuclear chemistry laboratory ranges from zeptometers (10⁻²¹ m) to zettameters (10²¹ m).",
          "type": "quote"
        }
      ],
      "glosses": [
        "US spelling of zettametre"
      ],
      "id": "en-zettameter-en-noun-79I1awBe",
      "links": [
        [
          "zettametre",
          "zettametre#English"
        ]
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      "tags": [
        "US",
        "alt-of"
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    }
  ],
  "word": "zettameter"
}

{
  "forms": [
    {
      "form": "zettameters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "zettameter (plural zettameters)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "zettametre"
        }
      ],
      "categories": [
        "American English",
        "English countable nouns",
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        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:SI units"
      ],
      "examples": [
        {
          "ref": "2015, Claude Phipps, No Wonder You Wonder!: Great Inventions and Scientific Mysteries, →ISBN:",
          "text": "On the other extreme, our galaxy (we call it the Milky Way) is about 0.9 Zm (Zettameters, 100 million trillion meters) in diameter.",
          "type": "quote"
        },
        {
          "ref": "2016, Richard N. Aufmann, Joanne Lockwood, Richard D. Nation, Mathematical Excursions, →ISBN, page 364:",
          "text": "What is the speed of light in Zm (zettameters) per second?",
          "type": "quote"
        },
        {
          "ref": "2017, Walter D. Loveland, David J. Morrissey, Glenn T. Seaborg, Modern Nuclear Chemistry, →ISBN, page 2:",
          "text": "The size scale for the nuclear chemistry laboratory ranges from zeptometers (10⁻²¹ m) to zettameters (10²¹ m).",
          "type": "quote"
        }
      ],
      "glosses": [
        "US spelling of zettametre"
      ],
      "links": [
        [
          "zettametre",
          "zettametre#English"
        ]
      ],
      "tags": [
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  ],
  "word": "zettameter"
}