thoron.
/thawr-on, thohr-/US // ˈθɔr ɒn, ˈθoʊr- //UK // (ˈθɔːrɒn) //
索隆,钍,索伦,荆棘
Definitions
n.noun · 名词
- 1.
Chemistry.
- ›a radioactive isotope of radon, produced by the disintegration of thorium. Symbol: Tn; atomic weight: 220; atomic number: 86.
Examples
But the crusaders embarrassed themselves with the siege of the castle of Thoron.
Level 2More words in t →