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We found 50 dictionaries with English definitions that include the word rust:
Click on the first link on a line below to go directly to a page where "rust" is defined.

General (32 matching dictionaries)

1. rust: Merriam-Webster.com [home, info]
2. rust: Oxford Dictionaries [home, info]
3. rust: American Heritage Dictionary of the English Language [home, info]
4. rust: Collins English Dictionary [home, info]
5. rust: Vocabulary.com [home, info]
6. rust, rust: Macmillan Dictionary [home, info]
7. Rust, rust: Wordnik [home, info]
8. rust: Cambridge Advanced Learner's Dictionary [home, info]
9. Rust, rust: Wiktionary [home, info]
10. rust: Webster's New World College Dictionary, 4th Ed. [home, info]
11. rust: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. rust: Infoplease Dictionary [home, info]
13. RUST: Dictionary.com [home, info]
14. rust (n.): Online Etymology Dictionary [home, info]
15. rust: UltraLingua English Dictionary [home, info]
16. rust: Cambridge Dictionary of American English [home, info]
17. RUST (band), Rust (album), Rust (color), Rust (colour), Rust (comics), Rust (disambiguation), Rust (disease), Rust (fungus), Rust (programming), Rust (programming language), Rust (surname), Rust (video game), Rust: Wikipedia, the Free Encyclopedia [home, info]
18. Rust: Online Plain Text English Dictionary [home, info]
19. rust: Webster's Revised Unabridged, 1913 Edition [home, info]
20. rust: Rhymezone [home, info]
21. rust, rust(periode) (de), rust (de): AllWords.com Multi-Lingual Dictionary [home, info]
22. rust: Webster's 1828 Dictionary [home, info]
23. Rust: E Cobham Brewer, The Reader's Handbook [home, info]
24. Rust: 1911 edition of the Encyclopedia Britannica [home, info]
25. rust: Free Dictionary [home, info]
26. rust: Mnemonic Dictionary [home, info]
27. rust: WordNet 1.7 Vocabulary Helper [home, info]
28. Rust, rust: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. rust: Dictionary/thesaurus [home, info]
30. rust: Wikimedia Commons US English Pronunciations [home, info]

Art (4 matching dictionaries)

31. rust: ArtLex Lexicon of Visual Art Terminology [home, info]
32. rust-: A Cross Reference of Latin and Greek Elements [home, info]
33. Rust: Glossary of Stamp Collecting Terms [home, info]
34. Rust: Natural Magick [home, info]

Business (1 matching dictionary)

35. Rust: Construction Term Glossary [home, info]

Computing (1 matching dictionary)

36. Rust (fungus), Rust (iron oxide), rust: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

37. rust: online medical dictionary [home, info]
38. Rust (iron oxide), rust: Medical dictionary [home, info]

Miscellaneous (6 matching dictionaries)

39. Rust: baby names list [home, info]
40. Rust: Brilliant Dream Dictionary [home, info]
41. Rust: Arms and Armour [home, info]
42. RUST: Acronym Finder [home, info]
43. RUST: AbbreviationZ [home, info]
44. rust: Idioms [home, info]

Science (1 matching dictionary)

45. rust: Botanical Terms [home, info]

Slang (1 matching dictionary)

46. Rust: Urban Dictionary [home, info]

Tech (2 matching dictionaries)

47. Rust: AUTOMOTIVE TERMS [home, info]
48. RUST: Power Engineering [home, info]

(Note: See rusts for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (rust) ▸ noun:  any of various fungi causing rust disease in plants ▸ noun:  the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water ▸ noun:  a reddish-brown discoloration of leaves and stems caused by a rust fungus ▸ noun:  a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture ▸ verb:  become coated with oxide ▸ verb:  become destroyed by water, air, or an etching chemical such as an acid ("The pipes rusted") ▸ verb:  cause to deteriorate due to the action of water, air, or an acid ("The steady dripping of water rusted the metal stopper in the sink") ▸ adjective:  of the color of rust ▸ name:  A surname (rare: 1 in 25000 families; popularity rank in the U.S.: #3101) ▸ Also see rusts ▸ Word origin ▸ Words similar to rust ▸ Usage examples for rust ▸ Popular adjectives describing rust ▸ Popular nouns described by rust ▸ Words that often appear near rust ▸ Rhymes of rust ▸ Invented words related to rust