We found 27 dictionaries that define the word promethium:

General (16 matching dictionaries)

1. promethium: Merriam-Webster
2. promethium: Oxford Learner's Dictionaries
3. promethium: American Heritage Dictionary of the English Language
4. promethium: Collins English Dictionary
5. promethium: Vocabulary.com
6. Promethium, promethium: Wordnik
7. promethium: Wiktionary
8. promethium: Webster's New World College Dictionary, 4th Ed.
9. promethium: The Wordsmyth English Dictionary-Thesaurus
10. promethium: Infoplease Dictionary
11. promethium: Dictionary.com
12. Promethium (disambiguation), Promethium: Wikipedia, the Free Encyclopedia
13. promethium: Rhymezone
14. promethium: FreeDictionary.org
15. promethium: Mnemonic Dictionary
16. promethium: TheFreeDictionary.com

Art (1 matching dictionary)

17. An Etymological Dictionary of Classical Mythology (No longer online)

Business (1 matching dictionary)

18. promethium: Financial dictionary

Computing (1 matching dictionary)

19. promethium: Encyclopedia

Medicine (5 matching dictionaries)

20. promethium: Merriam-Webster Medical Dictionary
21. Dorland's Illustrated Medical Dictionary (No longer online)
22. Medical Dictionary (No longer online)
23. online medical dictionary (No longer online)
24. promethium: Medical dictionary

Science (3 matching dictionaries)

25. Promethium: Eric Weisstein's World of Chemistry
26. Promethium: Extragalactic Astronomy
27. Promethium, promethium: WebElements Periodic Table of the Elements

Definitions from Wiktionary (promethium) ▸ noun:  A metallic chemical element (symbol Pm) with an atomic number of 61. Similar: PM, atomic number 61, prometheum, promethate, florentium, cyclonium, pentel, ununpentium, phosphine, pentamanganese, more... Types: metal, lanthanide, radioactive, synthetic, more... Phrases: Isotopes of promethium, more... ▸ Words similar to promethium ▸ Usage examples for promethium ▸ Idioms related to promethium ▸ Wikipedia articles (New!) ▸ Popular adjectives describing promethium ▸ Words that often appear near promethium ▸ Rhymes of promethium ▸ Invented words related to promethium