We found 31 dictionaries that define the word saltpeter:

General (22 matching dictionaries)

1. saltpeter: Merriam-Webster
2. saltpeter: Oxford Learner's Dictionaries
3. saltpeter: American Heritage Dictionary of the English Language
4. saltpeter: Collins English Dictionary
5. saltpeter: Vocabulary.com
6. Saltpeter, saltpeter: Wordnik
7. saltpeter: Cambridge Advanced Learner's Dictionary
8. saltpeter: Wiktionary
9. saltpeter: Webster's New World College Dictionary, 4th Ed.
10. saltpeter: The Wordsmyth English Dictionary-Thesaurus
11. saltpeter: Infoplease Dictionary
12. saltpeter: Dictionary.com
13. saltpeter: Online Etymology Dictionary
14. Saltpeter (disambiguation), Saltpeter: Wikipedia, the Free Encyclopedia
15. Saltpeter: Online Plain Text English Dictionary
16. saltpeter: Rhymezone
17. Saltpeter: AllWords.com Multi-Lingual Dictionary
18. saltpeter: Webster's 1828 Dictionary
19. saltpeter: FreeDictionary.org
20. saltpeter: Mnemonic Dictionary
21. saltpeter: TheFreeDictionary.com

Art (1 matching dictionary)

22. Natural Magick (No longer online)

Computing (1 matching dictionary)

23. saltpeter: Encyclopedia

Medicine (3 matching dictionaries)

24. saltpeter: Merriam-Webster Medical Dictionary
25. online medical dictionary (No longer online)
26. saltpeter: Medical dictionary

Miscellaneous (1 matching dictionary)

27. Encyclopedia of Graphic Symbols (No longer online)

Science (1 matching dictionary)

28. Saltpeter: Eric Weisstein's World of Chemistry

Slang (1 matching dictionary)

29. saltpeter: Urban Dictionary

Tech (1 matching dictionary)

30. Explosives (No longer online)

(Note: See saltpetering as well.)

Definitions from Wiktionary ( ) ▸ noun:  (US) Alternative spelling of saltpetre [(originally) Potassium nitrate.] ▸ verb:  (US) Alternative spelling of saltpetre [(transitive) To treat with saltpetre.] Similar: saltpetre, niter, potassium nitrate, nitre, gunpowder, copperas, gunpower, guncotton, chlorate, Sulphur, more... Opposite: nitrate, potassium nitrate, salitre Types: potassium nitrate, sodium nitrate, ammonium nitrate, more... Phrases: chile saltpeter, chilean saltpeter, saltpeter acid, norwegian saltpeter, peru saltpeter, more... Adjectives: chilean, crude, little, much, powdered, villainous, natural, norwegian, refined, pure, indian ▸ Word origin ▸ Words similar to saltpeter ▸ Usage examples for saltpeter ▸ Idioms related to saltpeter ▸ Wikipedia articles (New!) ▸ Popular adjectives describing saltpeter ▸ Words that often appear near saltpeter ▸ Rhymes of saltpeter ▸ Invented words related to saltpeter