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.
Topical estrogen is a type of cream, spray or patch that is applied directly to the skin and contains the hormone estrogen. There are many methods of introducing synthetic or natural estrogen hormones into the body.