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| a gadget; dingus; thingumbob. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| travertine (trāv'ər-tēn', -tĭn) Pronunciation Key
A white, tan, or cream-colored form of limestone, often having a fibrous or concentric appearance. Travertine is formed through the rapid precipitation of calcium carbonate, especially at the mouth of a hot spring or in limestone caves, where it forms stalactites and stalagmites. It is similar to, but harder than, tufa. |