hassium

[ has-ee-uhm ]

noun

, Chemistry, Physics.

1. a superheavy, synthetic, radioactive element with a very short half-life. : Hs; : 108.

hassium

/ ˈhæsɪəm /

noun

1. a synthetic element produced in small quantities by high-energy ion bombardment. Symbol: Hs; atomic no: 108

hassium

/ hä′sē-əm /

1. A synthetic, radioactive element that is produced by bombarding lead with iron ions. Its known isotopes have mass numbers ranging from 263 to 277. Hs 277 has the longest confirmed half-life (16.5 minutes). Atomic number 108.
2. See Periodic Table

Word History and Origins

Origin of hassium¹

First recorded in 1980–85; officially assigned to element 108 in 1997; named after Medieval Latin Hassia (the German state of Hesse, location of the institute where it was first created); -ium ( def )

Word History and Origins

Origin of hassium¹

C20: from Latin, from Hesse, German state where it was discovered