unniloctium
[ yoo-ni-lok-tee-uh m ]
/ ˌyu nɪˈlɒk ti əm /
noun Chemistry, Physics.
former name of hassium. Symbol: Uno
Also called
element 108.
Words nearby unniloctium
unnatural,
unnecessary,
unnerve,
unnilennium,
unnilhexium,
unniloctium,
unnilpentium,
unnilquadium,
unnilseptium,
unnoticeable,
unnoticed
Definition for unniloctium (2 of 3)
hassium
[ has-ee-uh m ]
/ ˈhæs i əm /
noun Chemistry, Physics.
a superheavy, synthetic, radioactive element with a very short half-life. Symbol: Hs; atomic number: 108.
Formerly
unniloctium,
element 108.
Origin of hassium
after Medieval Latin
Hassia (the German state of Hesse, location of the institute where it was first created); see
-ium
Definition for unniloctium (3 of 3)
Formerly
unniloctium.
British Dictionary definitions for unniloctium
hassium
/ (ˈhæsɪəm) /
noun
a synthetic element produced in small quantities by high-energy ion bombardment. Symbol: Hs; atomic no: 108
Word Origin for hassium
C20: from Latin, from Hesse, German state where it was discovered
Scientific definitions for unniloctium
hassium
[ hä′sē-əm ]
Hs
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. See Periodic Table.