hassium

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has·si·um

 (hä′sē-əm)
n. Symbol Hs
An artificially produced radioactive element with atomic number 108 that has known isotopes with mass numbers ranging from 263 to 277, all of which decay by alpha particle emission or spontaneous fission. The isotope with the longest confirmed half-life (16.5 minutes) is Hs-277. See Periodic Table.

[From Medieval Latin Hassia, Hesse (German state containing Darmstadt, where the element was first synthesized).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hassium

(ˈhæsɪəm)
n
(Elements & Compounds) a synthetic element produced in small quantities by high-energy ion bombardment. Symbol: Hs; atomic no: 108
[C20: from Latin, from Hesse, German state where it was discovered]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

has·si·um

(hä′sē-əm)
Symbol Hs A synthetic, radioactive element that is produced by bombarding lead with iron ions. Its most stable isotope has a half-life of two milliseconds. Atomic number 108. See Periodic Table.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hassium - a radioactive 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
hassium
هسيوم
хасий
hassi
hassium
Hassium
hasio
hassium
hassium
hassium
hassij
hassio
ハッシウム
하슘
hasis
hassium
hassium
has
hassiu
hassium
hasijumхасиjум
hassium
แฮลเชียม
хасiй
References in periodicals archive ?
Here are a few: 104 unnilquadium 105 unnilpentium 106 unnilhexium 107 unnilseptium 108 unniloctium 109 unnilennium 110 ununnilium 120 unbinilium 130 untrinilium 140 unquadnilium 150 unpentnilium 160 unhexnilium 170 unseptnilium 180 unoctnilium 200 binilnilium 300 trinilnilium 400 quadnilnilium 500 pentnilnilium 900 enniinilium
Thus, 104 unnilquadium is Unq, 105 unnilpentium is Unp, 106 unnilhexium is Unh, 107 unnilseptium is Uns, 108 unniloctium is Uno, and 109 unnilennium is Une.
UNNILOCTIUM Trillium pusillum montieulum (an ITIS plant)