hullingn. also in combinations in hulling-machine, hulling-mill.
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1888 F. KickFlour Manuf. 70 The rice is left in the hulling mill as long as necessary.
1929 H. A. A. Nicholls & J. H. HollandText-bk. Trop. Agric. (ed. 2) ii. ii. 139 There are hulling machines capable of dealing efficiently with dry-berry and parchment coffee.