锕系元素 ā xì yuán sù

actinides; actinoid series of elements

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. actinoids (rare earth series), namely: actinium Ac89 锕ā, thorium Th90 钍tǔ, protoactinium Pa91 镤pú, uranium U92 铀yóu, neptunium Ne93 镎ná, plutonium Pu94 钚bù, americium Am95 镅méi, curium Cm96 锔jú, berkelium Bk97 锫péi, californium Cf98 锎kāi, einsteinium Es99 锿āi, fermium Fm100 镄fèi, mendelevium Md101 钔mén, nobelium No102 锘nuò, lawrencium Lr103 铹láo

Characters

Character Meaning
锕 ā
actinium (chemistry)
系 xì HSK 1
department; faculty; system
元 yuán HSK 3
currency unit (esp. Chinese yuan); original; primary
素 sù HSK 5
plain, unadorned; vegetarian (food); usually