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gemmology Line breaks: gem|mology
Pronunciation: /dʒɛˈmɒlədʒi/
(also gemology)

Definition of gemmology in English:


[mass noun]
The study of precious stones.
Example sentences
  • The extensive exhibition incorporates biology, gemology, anthropology, mineralogy, and ecology.
  • The science of gemmology teaches how to pick the best and how to spot even the smallest flaw in diamonds, emeralds, rubies, and others.
  • The sciences of gemology and paleontology meet in a fascinating new exhibit.


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



Pronunciation: /ˌdʒɛməˈlɒdʒɪk(ə)l/
Example sentences
  • Along with its sister laboratory in New York, it has become one of the leading gemmological institutions in the world.
  • Also for reasons I don't even want to think about, the newsletter usually carries an abbreviated article (with the author seldom identified) about some aspect of gemological testing.
  • I dare say that most of the materials that gem people describe as opaque are quite likely translucent, yet this error is now so deeply entrenched in gemological literature that it probably will never be changed.


Pronunciation: /ˌdʒɛmˈɒlədʒɪst/
Example sentences
  • He feels that qualified gemologists need to guide the customer through the intricacies of gem buying.
  • It must be heaven on earth for geologists and gemologists.
  • Diamonds described by experienced gemologists as red are some of the rarest in the world.

Definition of gemmology in:

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