Definition of gemmology in English:


(also gemology)


mass noun
  • The study of precious stones.

    • ‘Diffusing anything new into a stone during heating is almost always controversial in gemology.’
    • ‘The book reflects the author's many years of work in microscopy and photomicrography in the field of gemology.’
    • ‘He feels that graduates from any discipline can do a course in gemology as long as they are truly interested.’
    • ‘The death of such a multifaceted man is a blow to all aspects of gemology and mineralogy.’
    • ‘The extensive exhibition incorporates biology, gemology, anthropology, mineralogy, and ecology.’
    • ‘She has specialised in gemmology, diamond grading, jewellery designing, and computer-aided design and manufacturing.’
    • ‘The sciences of gemology and paleontology meet in a fascinating new exhibit.’
    • ‘The focus of the biennial event was the history of natural history museums, mineralogy, gemology, crystal chemistry, and crystallogenesis.’
    • ‘Although I'm not a student of gemology, this appears to be nothing more than a symbolic move to satisfy the politically correct advocacy.’
    • ‘The following is a collection of relatively modest observations on some aberrations relating to mineral collecting and the professional literature of gemology that all too often crop up in the popular literature.’
    • ‘As enhancements become more difficult to detect, even gemology experts are increasingly dependent on analytical chemistry to defend the integrity of their trade against aggressive tampering.’
    • ‘It could take up to three years if she also goes for the diploma of gemology award.’
    • ‘She comes from a family of jewellers and she has herself done a course in gemology.’
    • ‘Anyway you aren't trying to get a qualification in gemology, so it won't take you years or months to learn something about diamonds.’
    • ‘Among his many achievements, none was more outstanding than his authorship of nineteen books, several of which have become standard texts in the field of mineralogy and gemology.’
    • ‘The science of gemmology teaches how to pick the best and how to spot even the smallest flaw in diamonds, emeralds, rubies, and others.’


Early 19th century: from Latin gemma ‘bud, jewel’ + -logy.