We have put together a list of words that are similar to ACTINIDE.

4 Alternative Words Similar to actinide

1 Actinoid Noun      Synonym Words Like Actinoid
2 Actinon Noun      Synonym Words Like Actinon
3 Group Noun      Synonym Words Like Group
4 Grouping Noun      Synonym Words Like Grouping

2 definitions of actinide

1 Any of the 14 radioactive elements of the periodic table that are positioned under the lanthanides to which they have similar chemistry.
2 any of a series of radioactive elements with atomic numbers 89 through 103
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