noun🔗ShareA mechanical device consisting of a metal box with a series of vertical slats through which material is poured and randomly divided into two samples; this process is repeated to obtain a small representative sample of a bulk material."The technician used a riffler to divide the large bag of soil into a smaller, more manageable sample for lab analysis. "materialtechnologymachineindustryscienceprocessdeviceChat with AIVocabulary GamePractice Reading
noun🔗ShareA curved file used in carving wood and marble."The sculptor used a riffler to carefully smooth the intricate details on the marble statue. "artutensilworkChat with AIVocabulary GamePractice Reading
