Nasa __socratesPageHistoryEdit Visual Text NASA. نسا "To omit." A term used in the Qur'an for the system of intercalation of the year practised by the ancient Arabs, and which was abolished in the Qur'an. (Surah ix. 87.) [INTERCALATION OF THE YEAR.] Based on <a href="https://www.juancole.com/library/books/encyclopedias/dictionary-of-islam-hughes ">Hughes, Dictionary of Islam</a> CancelTweetShareRedditEmail