‘Ilm (Arabic: علم "knowledge") as an Islamic term refers to knowledge of Islam. The Qur'an is said to encourage the acquisition of knowledge. It explains the study and development of sciences during the Golden Age of Islam.
Quotations of the term in the Quran 
يَقُولُ الَّذِينَ أَشْرَكُواْلَوْ شَاء اللّهُ مَا أَشْرَكْنَا وَلاَ آبَاؤُنَا وَلاَ حَرَّمْنَا مِن شَيْءٍكَذَلِكَ كَذَّبَ الَّذِينَ مِن قَبْلِهِم حَتَّى ذَاقُواْ بَأْسَنَاقُلْ هَلْ عِندَكُم مِّنْ عِلْمٍ فَتُخْرِجُوهُ لَنَا إِن تَتَّبِعُونَ إِلاَّالظَّنَّ وَإِنْ أَنتُمْ إَلاَّ تَخْرُصُونَ
Those who have set up partners will Say: "If God wished, we would not have set up partners, nor would have our fathers, nor would we have forbidden anything." Those before them lied in the same way, until they tasted Our might. Say: "Do you have any knowledge to bring out to us? You only follow conjecture, you only guess."[Quran 6:148]
فَلَنَقُصَّنَّ عَلَيْهِم بِعِلْمٍ وَمَا كُنَّا غَآئِبِينَ We will narrate to them with knowledge; We were not absent.[Quran 7:7] from the Phenomenas of interest the Islam with science that he make it a fard-kifaya ( فرض كفاية ) like Medical science and sociology .... ITC, that means if every one didn't do it all the Muslims will have a iniquity < but if some one learn it, There is no sin on them .
ilm-ul-abdan and ilm-ul-adyan 
Al-'ilmu'ilman, 'ilm-ul-abdan wa 'ilm-ul-adyan
It is Ulum-i naqliyya which is Religious Knowledge
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