The double “noon” and “meem” – النون و المِيم المُشَدَّتَيْنِ are all the letters noon and all meem doubled (carrying a shadda). In general, a doubled letter is originally composed of two letters:

 

• the first surmounted by a sukoon
• the second by a short vowel

 

The first letter was assimilated to the second to form a single split letter.

 

Technically, it is obligatory to pronounce them by making a 2-beat ghunna and by reinforcing the letter.

 

• The doubled meem – مّ is originally composed of two meem, the first surmounted by a sukoon and the second by a short vowel. The first has been assimilated to the second to form a single redoubled letter.

 

Rule to apply to the doubled meem: It is necessary to make nasalization with a duration of 2 beats.

 

The doubled meem – مّ is also called the “redoubled nasalized letter”.

 

 

The redoubled noon – نّ is originally composed of two noon, the first surmounted by a sukoon and the second by a short vowel. The first has been assimilated to the second to form a single redoubled letter.

 

Rule to apply to redoubled noon: It is necessary to make nasalization for a duration of 2 beats.

 

The doubled noon – نّ is also called: “redoubled nasalized letter”.

 

 

Examples of the doubled noon and meem letters used in the Holy Quran

 

 

 مَلِكِ النَّاسِ

 

 

The Sovereign of mankind. (1-2)

 

 

 فَجَعَلَهُمْ كَعَصْفٍ مَّأْكُولٍ

 

 

And He made them like eaten straw. (105-5)