hafnium
UK[ˈhæfniəm]US[ˈhæfniəm]
n
a hard, silver-grey metallic element that is very resistant to corrosion and is used in nuclear reactors and in the manufacture of light bulbs.
Morpheme Breakdown
hafn
ium
hafn
place name
ium
chemical element suffix
Etymology
the element hafnium was discovered in 1923 by dirk coster and george de hevesy in copenhagen. its name directly honors the city of its discovery, hafnia being the latin name for copenhagen. the suffix '-ium' follows the standard convention for naming metallic elements, as seen in 'titanium' and 'uranium'. thus, the name 'hafnium' literally means 'the metallic element from copenhagen', commemorating its geographical origin.
Analysis
Structure: hafn (place name) + ium (chemical element suffix)
hafn is derived from 'hafnia', the latin name for copenhagen, denmark. ium is a latin suffix used to form names of metallic elements.
Examples
hafnium is used in control rods for nuclear reactors because of its ability to absorb neutrons.
the separation of hafnium from zirconium is an important industrial process.
alloys containing hafnium are known for their high temperature resistance.