What does Uthmani mean?
To prevent regional variation in the written text, Caliph Uthman commissioned an official Mushaf whose consonantal spelling is still preserved in every printed Quran today, regardless of decorative script style.
Tajweed Rule
Uthmani
عُثْمَانِيّ · /ʕuθˈmaːnɪ/
Uthmani refers to the standardized script of the Quran compiled during the caliphate of Uthman ibn Affan.