1. the quality or state of being chalky; resemblance to chalk in texture, appearance, or composition
2. a dry, powdery, or crumbly texture or finish on a surface
Usage: often used in contexts of paint, cosmetics, or minerals

Examples

• The chalkiness of the old paint made it easy to wipe away.
• The mineral's chalkiness indicated a high calcium content.
• She noticed the chalkiness of the foundation as it settled on her skin.
• The chalkiness of the soil made it difficult for plants to absorb water.
• The artist disliked the chalkiness of the cheap pastels.
• The chalkiness of the limestone gave the cliff its distinctive appearance.