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Aza vs Zaa - What's the difference?

aza | zaa |

As nouns the difference between aza and zaa

is that aza is used attributively for a nitrogen atom substituted for a carbon atom within a ring while zaa is the letter ظ in the Arabic script.

aza

English

Noun

(-)
  • (chemistry) Used attributively for a nitrogen atom substituted for a carbon atom within a ring
  • * 2003 , Heinrich Zollinger, Color Chemistry [http://books.google.com/books?id=0Ynge4E5rqYC], ISBN 3906390233, page 73:
    • "However, aza N-atoms (~N=) have to be counted, if they replace methine groups in the chain."

    Derived terms

    * aziridine English palindromes ----

    zaa

    English

    Noun

    (en noun)
  • The letter in the Arabic script.
  • * 2006 , Coleman South, ?Leslie Jermyn, Syria (page 95)
    • Z (zaa'' ): a loose-tongued ''z ; same as above.
  • * 2013 , Jane Wightwick, ?Mahmoud Gaafar, Colloquial Arabic of Egypt
    • the letter Zaa , formally an emphatic 'z', but often pronounced as an emphatic 'd' in Egyptian Arabic
    ----