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.
Fluticasone and salmeterol are the active ingredients in Advair (and other medications), but they are not a generic version of Advair. What can be confusing is that, oftentimes, the active ingredient of a drug is referred to as its generic name..urrently, the company holds the exclusive rights to make and market Advair in the United States. Because there are many different patents for Advair listed with the FDA, it is difficult (probably impossible) to accurately predict when a generic version may become available.