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

General dictionaries General (32 matching dictionaries)
  1. sinus: Merriam-Webster.com [home, info]
  2. sinus: Oxford Dictionaries [home, info]
  3. sinus: American Heritage Dictionary of the English Language [home, info]
  4. sinus: Collins English Dictionary [home, info]
  5. sinus: Vocabulary.com [home, info]
  6. sinus: Macmillan Dictionary [home, info]
  7. Sinus, sinus: Wordnik [home, info]
  8. sinus: Cambridge Advanced Learner's Dictionary [home, info]
  9. sinus: Wiktionary [home, info]
  10. sinus: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. sinus: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. sinus: Infoplease Dictionary [home, info]
  13. sinus: Dictionary.com [home, info]
  14. sinus: Online Etymology Dictionary [home, info]
  15. sinus: UltraLingua English Dictionary [home, info]
  16. sinus: Cambridge Dictionary of American English [home, info]
  17. Sinus (anatomy), Sinus (botany), Sinus (disambiguation), Sinus (trigonometry), Sinus: Wikipedia, the Free Encyclopedia [home, info]
  18. Sinus: Online Plain Text English Dictionary [home, info]
  19. sinus: Webster's Revised Unabridged, 1913 Edition [home, info]
  20. sinus: Rhymezone [home, info]
  21. Sinus: AllWords.com Multi-Lingual Dictionary [home, info]
  22. sinus: Webster's 1828 Dictionary [home, info]
  23. sinus: Hutchinson's Dictionary of Difficult Words [home, info]
  24. sinus: Free Dictionary [home, info]
  25. sinus: Hutchinson Dictionaries [home, info]
  26. sinus: Luciferous Logolepsy [home, info]
  27. sinus: Mnemonic Dictionary [home, info]
  28. sinus: WordNet 1.7 Vocabulary Helper [home, info]
  29. sinus: LookWAYup Translating Dictionary/Thesaurus [home, info]
  30. sinus: Dictionary/thesaurus [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. Sinus (disambiguation), sinus: Encyclopedia [home, info]

Medicine dictionaries Medicine (9 matching dictionaries)
  1. Sinus: MedTerms.com Medical Dictionary [home, info]
  2. sinus: online medical dictionary [home, info]
  3. SINUS: Probert Encyclopaedia of Medicine [home, info]
  4. Sinus: Allergy Glossary [home, info]
  6. sinus: Dictionary of Cancer Terms [home, info]
  7. Sinus (anatomy), Sinus (disambiguation), sinus, sinus-: Medical dictionary [home, info]
  8. Sinus: Drug Medical Dictionary [home, info]
  9. sinus: Hyperdictionary [home, info]

Miscellaneous dictionaries Miscellaneous (1 matching dictionary)
  1. SINUS: Acronym Finder [home, info]

Science dictionaries Science (6 matching dictionaries)
  1. sinus: Glossary of Common Tree Terms [home, info]
  2. sinus: Botanical Terms [home, info]
  3. sinus: Bryological [home, info]
  4. sinus: Nine Planets Glossary [home, info]
  5. sinus: Flora of New South Wales [home, info]
  6. SINUS: Zoom Astronomy Glossary [home, info]

Tech dictionaries Tech (1 matching dictionary)
  1. Sinus: Dairy Glossary [home, info]

(Note: See sinuses for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (sinus)

noun:  any of various air-filled cavities especially in the bones of the skull
noun:  a wide channel containing blood; does not have the coating of an ordinary blood vessel
noun:  an abnormal passage leading from a suppurating cavity to the body surface

▸ Also see sinuses
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Popular adjectives describing sinus

Words that often appear near sinus

Rhymes of sinus

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Phrases that include sinus:   frontal sinus, ethmoid sinus, transverse sinus, sinus venosus, venous sinus, more...

Words similar to sinus:   fistula, sinuses, cavity, venous sinus, more...

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