Englishfor English speakers
trainer
Noun
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A trainer is a person who trains other people.
DES
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noun
(= diethylstilbestrol)
a potent estrogen used in medicine and in feed for livestock and poultry
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noun
(= diethylstilbesterol)
synthetic nonsteroid with the properties of estrogen; formerly used to treat menstrual problems but was found to be associated with vaginal cancers in the daughters of women so treated during pregnancy