molar       
 noun [ C ]  anatomy uk/ˈməʊ.lər/ us/ˈmoʊ.lɚ/
 臼齿,磨牙
one of the large teeth at the back of the mouth in humans and some other animals used for crushing and chewing food
 Compare: canine noun (TOOTH)incisor
 molar      
adjective  chemistry specialized uk/ˈməʊ.lər/ us/ˈmoʊ.lɚ/
 体积摩尔浓度的(在一升溶液中含有一摩尔溶质的)
containing one mole of a substance in each litre of a liquid