ac·ti·nide 
(ăktə-nīd′)
(ăktə-nīd′)n.
Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). Also called actinoid.
[ACTIN(IUM) + -IDE.]
| 单词 | actinide |
| 释义 | ac·ti·nide (ăktə-nīd′)n. Any of a series of chemically similar, radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). Also called actinoid. [ACTIN(IUM) + -IDE.] |
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