Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. The name formerly used for dubnium. Also called unnilpentium.
Wiktionary
- n. chemistry, obsolete A rejected name for dubnium.
WordNet 3.0
- n. a transuranic element
Etymologies
- After Otto Hahn. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
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Lists
These user-created lists contain the word ‘hahnium’.
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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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wot, no?
miscellaneous words that weren't here till I added them
iraimbilanja, luma, lwei, emalangeni, laari, sene, maloti, lisente, ekuele, bipkwele, renegue, chaource and 123 more...
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ex-element
Names and spellings formerly used for elements. Not entirely complete because I refuse to take notice of some of the sillier ones.
lutecium, prometheum, sulphur, protoactinium, columbium, glucinum, glucinium, virginium, illinium, alabamine, masurium, niton and 15 more...
Tweets
Looking for tweets for hahnium.
qroqqa former US-proposed name (symbol Ha) for element 105, now called dubnium; and former IUPAC-proposed name (symbol Hn) for element 108, now called hassium; after physicist Otto Hahn Jul 10, 2008