noun🔗ShareGrèsA sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc."The old stone monument was made of sandstone, showing how sand and clay over time formed a rock. "L'ancien monument en pierre était fait de grès, montrant comment le sable et l'argile ont formé une roche au fil du temps.geologymaterialChat with AIVocabulary GamePractice Reading
