1799 P. A. Nemnich (Italian) Tridello di roso, rice dust.
1866 VIII. 248/2 The refuse of R[ice], which..is known as Rice-meal and Rice-dust.
1901 31 180 Numerous domestic pigs..picking up what garbage they can find to eke out the scanty meals of rice-dust and chaff.
2005 (Nexis) 26 Dec. 23 We had to pass the nights with empty stomachs after our bag of rice dust ran out.