noun🔗ShareThe act of substituting or the state of being substituted."The soccer coach made two substitutions during the second half of the game to bring in fresh players. "systemprocessactionChat with AIVocabulary GamePractice Reading
noun🔗ShareA substitute or replacement."Due to allergies, the school cafeteria offers substitutions like rice milk for cow's milk and gluten-free bread for wheat bread. "itemthingChat with AIVocabulary GamePractice Reading
noun🔗ShareThe replacement of an atom, or group of atoms, in a compound, with another."In the recipe, the chef suggested several substitutions, such as using applesauce instead of oil to reduce the fat content. "chemistrysciencecompoundChat with AIVocabulary GamePractice Reading
