Geometric Standard Deviation

{
  "id": "MLC-T-ENV-012265",
  "term": "Geometric Standard Deviation",
  "field": "Environment",
  "definition": "The geometric standard deviation (GSD) is the anti-log of the standard deviation of the logarithms of each value. The GSD is a unitless quantity that gives a measure of the ratio of the variance to the mean, similar in concept to the coefficient of variation.",
  "abbreviation": "GSD",
  "synonyms": [
    "sigma g"
  ],
  "references": [
    "EPA Definitions of Terms Relevant to PRA and References for Further Reading at http://www.epa.gov/oswer/riskassessment/rags3adt/pdf/appendixe.pdf"
  ],
  "url": "https://mlchart.com/terminology/environment/geometric-standard-deviation/"
}