Definitions
Century Dictionary and Cyclopedia
- n. The name given by H. Rose to a supposed new chemical element which he believed that he had detected in the mineral columbite from Bavaria. He afterward recognized its identity with niobium.
Wiktionary
- n. obsolete A supposed chemical element, later found to be a mixture of niobium and tantalum.
GNU Webster's 1913
- n. (Chem.) A supposed new metal found in columbite, afterwards shown to be identical with columbium, or niobium.
Etymologies
- Pelops + -ium (Wiktionary)
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Lists
These user-created lists contain the word ‘pelopium’.
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Not in the Periodic Table
Words that sound like they might be the names of elements of the periodic table, but that aren't. Many of the words listed here were actually proposed as names for substances their creators thought...
tentorium, columbarium, nasturtium, deuterium, caladium, valerian, concordium, synangium, chorium, geranium, hymenium, pyrenium and 310 more...
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