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We found 39 dictionaries with English definitions that include the word porous:
Click on the first link on a line below to go directly to a page where "porous" is defined.

General (29 matching dictionaries)

1. porous: Merriam-Webster.com [home, info]
2. porous: Oxford Learner's Dictionaries [home, info]
3. porous: American Heritage Dictionary of the English Language [home, info]
4. porous: Collins English Dictionary [home, info]
5. porous: Vocabulary.com [home, info]
6. porous: Macmillan Dictionary [home, info]
7. Porous, porous: Wordnik [home, info]
8. porous: Cambridge Advanced Learner's Dictionary [home, info]
9. porous: Wiktionary [home, info]
10. porous: Webster's New World College Dictionary, 4th Ed. [home, info]
11. porous: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. porous: Infoplease Dictionary [home, info]
13. porous: Dictionary.com [home, info]
14. porous: Online Etymology Dictionary [home, info]
15. porous: UltraLingua English Dictionary [home, info]
16. porous: Cambridge Dictionary of American English [home, info]
17. Porous: Wikipedia, the Free Encyclopedia [home, info]
18. Porous: Online Plain Text English Dictionary [home, info]
19. porous: Webster's Revised Unabridged, 1913 Edition [home, info]
20. porous: Rhymezone [home, info]
21. porous: AllWords.com Multi-Lingual Dictionary [home, info]
22. porous: Webster's 1828 Dictionary [home, info]
23. porous: Free Dictionary [home, info]
24. porous: Mnemonic Dictionary [home, info]
25. porous: WordNet 1.7 Vocabulary Helper [home, info]
26. porous: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. porous: Dictionary/thesaurus [home, info]

Business (1 matching dictionary)

28. porous: Legal dictionary [home, info]

Computing (1 matching dictionary)

29. porous: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

30. porous: online medical dictionary [home, info]
31. porous: Medical dictionary [home, info]

Slang (1 matching dictionary)

32. porous: Urban Dictionary [home, info]

Tech (5 matching dictionaries)

33. Porous: AUTOMOTIVE TERMS [home, info]
34. POROUS: Lake and Water Word Glossary [home, info]
35. porous: Schlumberger Oilfield Glossary [home, info]
36. porous: Coin Collecting [home, info]
37. porous: Glossary of Water Resource Terms [home, info]

(Note: See porousness for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (porous) ▸ adjective:  able to absorb fluids ("The partly porous walls of our digestive system") ▸ adjective:  full of pores or vessels or holes ▸ adjective:  allowing passage in and out ("Our unfenced and largely unpoliced border inevitably has been very porous") ▸ Also see porousness ▸ Word origin ▸ Words similar to porous ▸ Usage examples for porous ▸ Idioms related to porous (New!) ▸ Popular nouns described by porous ▸ Words that often appear near porous ▸ Rhymes of porous ▸ Invented words related to porous