The sale of goods that are unknown or undetermined as to their quantity, especially foodstuffs. Such a sale is considered invalid until the goods have been received by the purchaser.
Al-muhtakir
Bai bil-wafa
Bai‘ al-mahawij
Bai‘ al-mudtar
Bai‘ al-mubadalah
Diwan al-dai'ah
Bai‘ al-mukhatarah
Al-tana‘um
Al-istighna
Qimar