We found 7 dictionaries that define the word lanthanoids:

General (4 matching dictionaries)

1. lanthanoids: Merriam-Webster
2. lanthanoids: Wiktionary
3. Lanthanoids: Wikipedia, the Free Encyclopedia
4. Lanthanoids: TheFreeDictionary.com

Computing (1 matching dictionary)

5. Lanthanoids: Encyclopedia

Medicine (2 matching dictionaries)

6. lanthanoids: Merriam-Webster Medical Dictionary
7. Lanthanoids: Medical dictionary

(Note: See lanthanoid as well.)

Definitions from Wiktionary (lanthanoid) ▸ noun:  (inorganic chemistry) Synonym of lanthanide ▸ Also see lanthanoid ▸ Words similar to lanthanoids ▸ Usage examples for lanthanoids ▸ Idioms related to lanthanoids ▸ Wikipedia articles (New!) ▸ Popular adjectives describing lanthanoids ▸ Words that often appear near lanthanoids ▸ Rhymes of lanthanoids ▸ Invented words related to lanthanoids