| estriol | (noun) a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency | Synonyms: oestriol |
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| oestriol | (noun) a naturally occurring estrogenic hormone; a synthetic form is used to treat estrogen deficiency | Synonyms: estriol |
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| vitriol | (noun) abusive or venomous language used to express blame or censure or bitter deep-seated ill will | Synonyms: invective, vituperation |
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| (noun) (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry | Synonyms: oil of vitriol, sulfuric acid, sulphuric acid |