1. substances (such as yeast or baking powder) that cause dough or batter to rise by producing gas
Usage: plural form of leavening
2. influences or elements that bring about gradual change or improvement
Usage: figurative use

Examples

• The baker kept various leavenings in separate containers on the shelf.
• Different leavenings produce different textures in bread.
• Yeast and baking soda are common leavenings used in home baking.
• The recipe called for multiple leavenings to achieve the perfect rise.
• Education and exposure to new ideas served as leavenings in the community.
• The social reforms acted as leavenings for broader cultural change.