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We found 48 dictionaries with English definitions that include the word semi:
Click on the first link on a line below to go directly to a page where "semi" is defined.

General (32 matching dictionaries)

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

Art (1 matching dictionary)

31. semi-: A Cross Reference of Latin and Greek Elements [home, info]

Business (1 matching dictionary)

32. semi: Legal dictionary [home, info]

Computing (2 matching dictionaries)

33. semi: Free On-line Dictionary of Computing [home, info]
34. semi: Encyclopedia [home, info]

Medicine (3 matching dictionaries)

35. semi, semi-: online medical dictionary [home, info]
36. Semi-: GASTROLAB Digestive Dictionary [home, info]
37. semi, semi-: Medical dictionary [home, info]

Miscellaneous (2 matching dictionaries)

38. SEMI-, SEMI: Acronym Finder [home, info]
39. SEMI: AbbreviationZ [home, info]

Science (5 matching dictionaries)

40. semi: Dictionary of Botanical Epithets [home, info]
41. semi-: Botanical Terms [home, info]
42. semi: Flora of New South Wales [home, info]
43. semi-: Glossary of Roots of Botanical Names [home, info]
44. semi-: How Many? A Dictionary of Units of Measurement [home, info]

Slang (1 matching dictionary)

45. semi: English slang and colloquialisms used in the United Kingdom [home, info]

Tech (1 matching dictionary)

46. Semi: AUTOMOTIVE TERMS [home, info]

(Note: See semis for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (semi) ▸ noun:  a trailer having wheels only in the rear; the front is supported by the towing vehicle ▸ noun:  one of the two competitions in the next to the last round of an elimination tournament ▸ noun:  a truck consisting of a tractor and trailer together ▸ Also see semis ▸ Word origin ▸ Words similar to semi ▸ Usage examples for semi ▸ Idioms related to semi (New!) ▸ Popular adjectives describing semi ▸ Words that often appear near semi ▸ Rhymes of semi ▸ Invented words related to semi