element 105

Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.element 105 - a transuranic element
chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
References in periodicals archive ?
By my reckoning, that's 54 element names; we've already seen that element 105, UNNILPENTIUM, qualifies.
Hoffman's team has been focusing on hahnium, or element 105.
In this scheme, element 104 is unnilquadium and element 105 is unnilpentium.