English dictionary
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English noun: rare earth | |||
| 1. | rare earth (substance) any element of the lanthanide series (atomic numbers 57 through 71) | ||
| Synonyms | lanthanide, lanthanoid, lanthanon, rare-earth element | ||
| Broader (hypernym) | group, grouping | ||
| Narrower (hyponym) | terbium metal | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk