We found 50 dictionaries that define the word porosity:

General (21 matching dictionaries)

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

Art (1 matching dictionary)

22. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)

Business (2 matching dictionaries)

23. Construction Term Glossary (No longer online)
24. porosity: Legal dictionary

Computing (1 matching dictionary)

25. porosity: Encyclopedia

Medicine (5 matching dictionaries)

26. porosity: Merriam-Webster Medical Dictionary
27. Dorland's Illustrated Medical Dictionary (No longer online)
28. Medical Dictionary (No longer online)
29. online medical dictionary (No longer online)
30. porosity: Medical dictionary

Science (1 matching dictionary)

31. How Many? A Dictionary of Units of Measurement (No longer online)

Sports (1 matching dictionary)

32. CAVE AND KARST TERMINOLOGY (No longer online)

Tech (18 matching dictionaries)

33. Book Binding (No longer online)
34. AUTOMOTIVE TERMS (No longer online)
35. Roofing Terms (No longer online)
36. Porosity: A to Z of Terms related to the Thermal Spray Process and Surface Engineering
37. Glossary of Composite Terms (No longer online)
38. Glossary of Meteorology (No longer online)
39. "https://digitalfire.com/4sight/glossary/p.html">Porosity: Ceramic Terminology Glossary
40. porosity: Canadian Soil Information System
41. K & A glossary (No longer online)
42. Lake and Water Word Glossary (No longer online)
43. Porosity: Fiberglass Glossary
44. Oil Analysis (No longer online)
45. Paper Making (No longer online)
46. POROSITY: Industry Terms for Fiberglass
47. National Weather Service Glossary (No longer online)
48. Schlumberger Oilfield Glossary (No longer online)
49. Oil and Gas Well Drilling and Servicing eTool (No longer online)
50. Water-Science Glossary of Terms (No longer online)

(Note: See porosities as well.)

Definitions from Wiktionary (porosity) ▸ noun:  (uncountable) The state of being porous. ▸ noun:  (countable) A measure of how porous a material is; the ratio of the volume of pores to the total volume Similar: porousness, imporosity, poriness, mesoporosity, unporousness, perviousness, pourability, macroporosity, permeability, opacity, more... Opposite: impermeability, density, solidity Types: micro, macro, mesoporous, ultramicroporous, microporous, nanoporous, more... Phrases: total porosity, effective porosity, secondary porosity, primary porosity, capillary porosity, more... Adjectives: high, low, total, effective, secondary, average, open, primary, initial, greater, internal Colors:     beige,     sand,     taupe,     ivory,     cream, more... ▸ Words similar to porosity ▸ Usage examples for porosity ▸ Idioms related to porosity ▸ Wikipedia articles (New!) ▸ Popular adjectives describing porosity ▸ Words that often appear near porosity ▸ Rhymes of porosity ▸ Invented words related to porosity