Definition of Sudan
1 region of northern Africa between the Atlantic and the upper Nile River south of the Sahara Desert including the basins of Lake Chad and the Niger River and the upper Nile
2 former country in northeastern Africa ◆Anglo–Egyptian Sudan, a territory under joint British and Egyptian rule, beame an independent republic in 1956 with Khartoum its capital. Conflict between the northern and southern sections of that country resulted in it splitting into the current country of Sudan (sense 3 below) and South Sudan, which formally gained independent status in 2011.
3 country bordering the Red Sea in northeastern Africa south of Egypt; capital Khartoum area 728,216 square miles (1,886,079 square kilometers), population 30,900,000
Sudaneseplay \ˌsü-də-ˈnēz, -ˈnēs\ adj or noun
SUDAN Defined for English Language Learners
Definition of Sudan for English Language Learners
: country in Africa
Medical Definition of Sudan
: any of several azo solvent dyes including some which have a specific affinity for fatty substances and are used as biological stains
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