/ ˈɪzlɑːm; NAmE ; ɪzˈlɑːm/ noun [ U ]
1.
the Muslim religion, based on belief in one God and revealed through Muhammad as the Prophet of Allah
2.
all Muslims and Muslim countries in the world
► Is·lam·ic / ɪzˈlæmɪk; NAmE ; -ˈlɑːm-/ adjective :
Islamic law
••
WORD ORIGIN
from Arabic 'islām submission, from 'aslama submit (to God).