# กลุ่มธาตุแลนทาไนด์
## Noun (N)
### Sense: any element of the lanthanide series (atomic numbers 57 through 71)
- rare earth
- rare-earth element
- lanthanoid
- lanthanide
- lanthanon
### Sense: the rare-earth elements with atomic numbers 57 through 71; having properties similar to lanthanum
- lanthanide series