Noun
infant formula (countable and uncountable, plural infant formulas or infant formulae or infant formulæ)
A manufactured food simulating human breast milk, designed to be fed to babies and infants under 12 months of age.
Synonyms: baby formula, formula
Coordinate terms: milk replacer, milk substitute
Infant formula is a notable exception, where the addition of lactose is necessary to match the composition of human milk. Source: Internet