1. substances consisting of particles dispersed throughout another substance, where the particles are larger than molecules but small enough to remain suspended
Usage: chemistry; plural form of colloid

Examples

• Milk and mayonnaise are common examples of colloids found in the kitchen.
• The scientist studied various colloids under the microscope.
• Fog is a colloid consisting of water droplets suspended in air.
• Many cosmetic products contain colloids to achieve their smooth texture.
• The chemistry class learned about different types of colloids and their properties.
• Colloids can be distinguished from true solutions by their ability to scatter light.