roentgenium

/rent-gen-ee-uhm, -jen-, ruhnt-/US // rɛntˈgɛn i əm, -ˈdʒɛn-, rʌnt- //

伦琴,伦教,伦琴琴,伦琴弹

Definitions

n.名词 noun

1
Chemistry, Physics.
- : a superheavy, synthetic radioactive element with a very short half-life. Symbol: Rg; atomic number: 111.