Synthetic estrogens are used as part of some oral contraceptives, in estrogen replacement therapy for postmenopausal women, and in hormone replacement therapy for trans women.strogen may also refer to any substance, natural or synthetic that mimics the effects of the natural hormone. The steroid 17Î²-estradiol is the most potent and prevalent endogenous estrogen, but several metabolites of estradiol also have estrogenic hormonal activity.
âº the set of beliefs, ideas, etc. about the behaviour and relationships of a person or group: Most companies have a corporate ethos . The new firm's ethos is brash, fiercely ambitious, and decidedly cutting-edge. (Definition of âethosâ from the Cambridge Business English Dictionary Â© Cambridge University Press)
In this case, ethos is the spirit that motivates ideas and customs in one of these groups. The word ethos comes from the Greek word ethea, which means âcustomâ or âhabit.â Ethos shares a root word with ethics, and indeed the definition of ethos includes someone showing moral character in order to persuade an audience.