Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. See rutherfordium.
Wiktionary
- n. dated Rutherfordium.
WordNet 3.0
- n. a radioactive transuranic element which has been synthesized
Etymologies
- Systematic name, literally "element 104". (Wiktionary)
- Latin ūnus, one; see union + nīl, nothing; see nil + quad(ri)- + -ium. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
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Lists
These user-created lists contain the word ‘unnilquadium’.
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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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Things that might be radioactive
old green ceramic..., kitty litter, medical equipment, radium girls, orange fiestaware, brazil nuts, smoke detector, suppositories, doramad radioacti..., porcelain dentures, low-sodium salt s..., cloisonné jewelry and 57 more...
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gasgiant's list of favorite words
These are words that are not only rare, but aesthetically pleasing in some way
caravanserie, porpentine, infangthief, ogdoades, fanchion, junkanoo, rhynchocephalian, muomesotron, unnilquadium, perissosyllabic, fustration, icosadodecahedral and 1 more...
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