We found 22 dictionaries that define the word pyrolusite:

General (18 matching dictionaries)

1. pyrolusite: Merriam-Webster
2. pyrolusite: Oxford Learner's Dictionaries
3. pyrolusite: American Heritage Dictionary of the English Language
4. pyrolusite: Collins English Dictionary
5. pyrolusite: Vocabulary.com
6. pyrolusite: Wordnik
7. pyrolusite: Wiktionary
8. pyrolusite: Webster's New World College Dictionary, 4th Ed.
9. pyrolusite: Infoplease Dictionary
10. Pyrolusite, pyrolusite: Dictionary.com
11. Pyrolusite: Wikipedia, the Free Encyclopedia
12. Pyrolusite: Online Plain Text English Dictionary
13. pyrolusite: Webster's Revised Unabridged, 1913 Edition
14. pyrolusite: Rhymezone
15. Pyrolusite: AllWords.com Multi-Lingual Dictionary
16. pyrolusite: FreeDictionary.org
17. pyrolusite: Mnemonic Dictionary
18. pyrolusite: TheFreeDictionary.com

Computing (1 matching dictionary)

19. pyrolusite: Encyclopedia

Medicine (1 matching dictionary)

20. online medical dictionary (No longer online)

Science (2 matching dictionaries)

21. Pyrolusite: Eric Weisstein's World of Chemistry
22. PYROLUSITE: The Mineral Gallery

(Note: See pyrolusites as well.)

Definitions from Wiktionary (pyrolusite) ▸ noun:  (mineralogy) A dark coloured mineral, consisting of manganese dioxide (MnO₂), that is an important ore of manganese. Similar: pyrosmalite, purpurite, pyrophanite, lithiophorite, polianite, philolithite, manganpyrosmalite, lepidolite, pyromorphite, polyhydrite, more... Opposite: antipyrolusite, manganite, hausmannite Adjectives: powdered, crystalline, pure, granular, soft, natural, little, grade, black, blue, oolitic ▸ Words similar to pyrolusite ▸ Usage examples for pyrolusite ▸ Idioms related to pyrolusite ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pyrolusite ▸ Words that often appear near pyrolusite ▸ Rhymes of pyrolusite ▸ Invented words related to pyrolusite