We found 49 dictionaries that define the word gypsum:

General (26 matching dictionaries)

1. gypsum: Oxford Learner's Dictionaries
2. gypsum: American Heritage Dictionary of the English Language
3. gypsum: Collins English Dictionary
4. gypsum: Vocabulary.com
5. Gypsum, gypsum: Wordnik
6. gypsum: Cambridge Advanced Learner's Dictionary
7. gypsum: Wiktionary
8. gypsum: Webster's New World College Dictionary, 4th Ed.
9. gypsum: The Wordsmyth English Dictionary-Thesaurus
10. gypsum: Infoplease Dictionary
11. gypsum: Dictionary.com
12. gypsum: Online Etymology Dictionary
13. Gypsum (disambiguation), Gypsum: Wikipedia, the Free Encyclopedia
14. Gypsum: Online Plain Text English Dictionary
15. gypsum: Webster's Revised Unabridged, 1913 Edition
16. gypsum: Rhymezone
17. Gypsum: AllWords.com Multi-Lingual Dictionary
18. gypsum: Webster's 1828 Dictionary
19. gypsum: Stammtisch Beau Fleuve Acronyms
20. gypsum: FreeDictionary.org
21. gypsum: Mnemonic Dictionary
22. gypsum: TheFreeDictionary.com
23. gypsum: Merriam-Webster
24. gypsum: Longman Dictionary of Contemporary English

Art (2 matching dictionaries)

25. gypsum: ArtLex Lexicon of Visual Art Terminology
26. Natural Magick (No longer online)

Business (2 matching dictionaries)

27. Construction Term Glossary (No longer online)
28. Gypsum: Energy Dictionary

Computing (1 matching dictionary)

29. gypsum: Encyclopedia

Medicine (4 matching dictionaries)

30. gypsum: Merriam-Webster Medical Dictionary
31. Dorland's Illustrated Medical Dictionary (No longer online)
32. online medical dictionary (No longer online)
33. gypsum: Medical dictionary

Science (5 matching dictionaries)

34. gypsum: Dictionary of Botanical Epithets
35. Archaeology Wordsmith (No longer online)
36. Gypsum: Eric Weisstein's World of Chemistry
37. Botanical Terms (No longer online)
38. GYPSUM: The Mineral Gallery

Slang (1 matching dictionary)

39. gypsum: Urban Dictionary

Sports (1 matching dictionary)

40. CAVE AND KARST TERMINOLOGY (No longer online)

Tech (7 matching dictionaries)

41. Book Binding (No longer online)
42. AUTOMOTIVE TERMS (No longer online)
43. Roofing Terms (No longer online)
44. Illustrated Glass Dictionary (No longer online)
45. Paper Making (No longer online)
46. Schlumberger Oilfield Glossary (No longer online)
47. Gypsum: Pottery Studio

(Note: See gypsums as well.)

Definitions from Wiktionary ( ) ▸ noun:  A mineral consisting of hydrated calcium sulphate. When calcinated, it forms plaster of Paris. Similar: plaster of Paris, calcium sulfate, calcium sulphate, plaster-stone, phosphogypsum, gypcrete, parget, gypsoplast, satin spar, gypsum cave, more... Opposite: anhydrite, calcite, limestone Types: selenite, alabaster, satin spar, gypsum flower, desert rose, more... Phrases: gypsum board, gypsum plaster, gypsum wallboard, gypsum lath, Gypsum block, more... Adjectives: white, pure, fibrous, powdered, massive, natural, crystalline, much, burnt, little, crude Colors:     white,     off-white,     beige,     cream,     light gray, more... ▸ Word origin ▸ Words similar to gypsum ▸ Usage examples for gypsum ▸ Idioms related to gypsum ▸ Wikipedia articles (New!) ▸ Popular adjectives describing gypsum ▸ Words that often appear near gypsum ▸ Rhymes of gypsum ▸ Invented words related to gypsum