noun Download 🔗Share A 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. Examples : "The technician used a riffler to divide the large bag of soil into a smaller, more manageable sample for lab analysis. " material technology machine industry science process device Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A curved file used in carving wood and marble. Examples : "The sculptor used a riffler to carefully smooth the intricate details on the marble statue. " art utensil work Chat with AIVocabulary GamePractice Reading