actinoid

英 ['æktɪnɔɪd] 美 ['æktənɔɪd]

• adj. 放射线状的

英英释义

Noun:

1. any of a series of radioactive elements with atomic numbers 89 through 103

Adjective:

1. having a radial form;

   "starfish are actinoid--that is, they are radially symmetrical"
   

近反义词

【近义词】

• actinide [化]锕类
• actinon [核]锕射气