Yeast: meaning, definitions and examples

Used in a biological or scientific context to refer to the microorganism itself, often in laboratory settings.

• The scientists studied the behavior of yeast under different conditions
• Yeast are important model organisms for genetic research

Refers to a substance used to make dough rise, like yeast, baking powder, or sourdough starter. Can also be a metaphor for something that causes change or animation.

• She used a natural leaven to make the sourdough bread
• His optimism acted as a leaven to the otherwise serious team

Typically refers to the process of converting sugars into alcohol and carbon dioxide, often used in brewing and winemaking. Can also describe a state of agitation or excitement.

• The grape juice needs to ferment for several weeks to become wine
• The ferment in the crowd was palpable as the announcement was made

As mentioned earlier, yeast is specifically used when talking about the fermentation agent in cooking and brewing.

• 'Active yeast is needed for making sourdough bread
• ' 'Wine production relies on natural yeasts for fermentation
• '

Used in a broader biological context to describe a type of organism, which can include molds, yeasts, and mushrooms. Often used in scientific or medical discussions.

• 'Mushrooms are a type of fungus
• ' 'This fungus can cause infections in humans
• '

Refers to any microscopic organism, including bacteria, viruses, and fungi. Typically used in scientific, medical, and technical settings.

• 'Hand sanitizers can kill most microorganisms
• ' 'Studying microorganisms helps us understand diseases
• '