Infant formula refers to a nutrient-rich liquid or powder given to infants as a substitute for breast milk. There are several synonyms for infant formula, such as baby formula, milk substitute, and powdered milk. One of the popular infant formula brands is Similac, which is a powdered milk formula that contains vitamins, minerals, and nutrients that promote healthy growth and development of infants. Other common synonyms for infant formula include formula milk, infant nutrition, milk powder, and baby food. Infant formula is an important component of baby care, particularly for mothers who cannot breastfeed or for infants who cannot tolerate breast milk.