American Heritage Dictionary
(2)
Century Dictionary
(5)
GNU Webster's 1913
(2)
WordNet
(1)
Elsewhere on the web
He created a book Meng Xi Bi Tan (Translated "The Sketchbook of Dream Brook" or "Dream Pool Essays") (1086) in which he wrote about mineralogy, erosion, sedimentation and uplift, mathematics, astronomy, and meteorology.— Recently Uploaded Slideshows
• In mineralogy, diamond is an extremely hard, highly refractive crystalline form of carbon that is usually colorless and can be used in abrasives, and other applications.— Recently Uploaded Slideshows

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word a few times a year.
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