osmium

The Simple English Wikipedia has an article on:

rhenium${\displaystyle \longleftarrow }$ 76 ${\displaystyle \longrightarrow }$iridium

Pronunciation

• Hyphenation: os‧mi‧um

Noun

 Plural none
Osmium crystals
1. (uncountable) Osmium is a metal and element with the atomic number 76 and the symbol Os.
Osmium is twice as dense as lead.