fermentnounmasculine/fɨɾˈmẽtu/mediumfer·men·toPortuguesEnglishEspanolFrancaisDefinitionSubstance that causes fermentation, used to leaven dough or produce alcoholic beverages.You need to add yeast to make the bread rise.Wine is produced by the action of ferment on grape must.synyeastleavenEtymologyDo latim 'fermentum'.Related wordsfermentarfermentaçãofermentávelfermentescível