a. An alteration of the form of a word by the addition of an affix, as in English dogs from dog, or by changing the form of a base, as in English spoke from speak, that indicates grammatical features such as number, person, mood, or tense.
Generic Estrace. As all of the patents for Estrace (estradiol) have expired, several companies have chosen to manufacture a generic version of the drug. The generic versions are sold in three strengths: estradiol 0.5 mg, estradiol 1 mg, and estradiol 2 mg.
A Stacy Wiegman, PharmD , Pharmacy, answered. The birth control pill Lutera (ethinyl estradiol and levonorgestrel) is itself the generic version of a brand-name oral contraceptive, Alesse, which has been discontinued. Other generic drugs that are equivalent to Alesse are Orsythia, Falmina and Aviane-28.