"z-average" meaning in English

{
  "etymology_text": "From the first letter of the German word Zentrifuge (centrifuge), because this measurement was first used with centrifugation data.",
  "forms": [
    {
      "form": "z-averages",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "z-average (plural z-averages)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1984, Howard G. Barth, Modern Methods of Particle Size Analysis, page 113",
          "text": "When proper measurements are made, the parameters of the size distribution most often obtained -- the inverse z-average moments -- are not the usually reported parameters of a size distribution.",
          "type": "quotation"
        },
        {
          "ref": "1995, S. R. Holding, E. Meehan, Molecular Weight Characterisation of Synthetic Polymers, page 4",
          "text": "The calculated number average molecular weight is generally very dependent upon the low molecular weight material in the distribution, whilst the z-average is more affected by the high molecular weight material present.",
          "type": "quotation"
        },
        {
          "ref": "2007 -, Wolfgang Schärtl, Light Scattering from Polymer Solutions and Nanoparticle Dispersions",
          "text": "The harmonic average lies in between the z-average and the weight-average particle size.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A weighted average where the value for each component is weighted by the square of its mass or volume."
      ],
      "id": "en-z-average-en-noun-HUtcNZfu",
      "links": [
        [
          "weighted average",
          "weighted average"
        ],
        [
          "square",
          "square"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "volume",
          "volume"
        ]
      ]
    }
  ],
  "word": "z-average"
}

{
  "etymology_text": "From the first letter of the German word Zentrifuge (centrifuge), because this measurement was first used with centrifugation data.",
  "forms": [
    {
      "form": "z-averages",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "z-average (plural z-averages)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1984, Howard G. Barth, Modern Methods of Particle Size Analysis, page 113",
          "text": "When proper measurements are made, the parameters of the size distribution most often obtained -- the inverse z-average moments -- are not the usually reported parameters of a size distribution.",
          "type": "quotation"
        },
        {
          "ref": "1995, S. R. Holding, E. Meehan, Molecular Weight Characterisation of Synthetic Polymers, page 4",
          "text": "The calculated number average molecular weight is generally very dependent upon the low molecular weight material in the distribution, whilst the z-average is more affected by the high molecular weight material present.",
          "type": "quotation"
        },
        {
          "ref": "2007 -, Wolfgang Schärtl, Light Scattering from Polymer Solutions and Nanoparticle Dispersions",
          "text": "The harmonic average lies in between the z-average and the weight-average particle size.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A weighted average where the value for each component is weighted by the square of its mass or volume."
      ],
      "links": [
        [
          "weighted average",
          "weighted average"
        ],
        [
          "square",
          "square"
        ],
        [
          "mass",
          "mass"
        ],
        [
          "volume",
          "volume"
        ]
      ]
    }
  ],
  "word": "z-average"
}