1. covered with a whitish, powdery coating or bloom
Usage: botanical; technical

Examples

• The pruinose leaves of the succulent had a distinctive whitish appearance.
• Many cacti have pruinose stems that help reflect sunlight.
• The botanist noted the pruinose coating on the plant’s surface.
• Pruinose fruits often have a waxy, dusty-looking bloom.
• The grape’s pruinose skin gave it a frosted appearance.
• Several desert plants develop pruinose surfaces as protection.