Medical Dictionary
Main Entry:
for·mu·la Pronunciation:
'for-my&-l& Function:
noun Inflected Form:
plural for·mu·las or for·mu·lae /-"lE, -"lI/ 1 a : a recipe or prescription giving method and proportions of ingredients for the preparation of some material (as amedicine)
b : a milk mixture or substitute for feeding an infant typically consisting of prescribed proportions and forms of cow's milk, water, and sugar;
also : abatch of this made up at one time to meet an infant's future requirements (as during a 24-hour period)
2 : a symbolic expression showing the composition or constitution of achemical substance and consisting of symbols for the elements present and subscripts to indicate the relative or total number of atoms present in a molecule
formulas for water,sulfuric acid, and ethyl alcohol are H2O, H2SO4, and C2H5OH respectively> —see EMPIRICAL FORMULA, MOLECULAR FORMULA, STRUCTURAL FORMULA