WordfermentarMeaningto fermentPart of speechverbPronunciationCourseSpanish (Latin America)LessonParallel progression (a medida que)Usages of fermentarLa masa madre crece a medida que fermenta.The sourdough starter grows as it ferments.Dudo que la masa madre haya fermentado hoy.I doubt that the sourdough starter has fermented today.