Definitions

1. adjective

Having a white, powdery, or waxy coating or covering, especially on leaves or fruits.

“The epruinose patches on the apple’s skin indicated that it had been affected by a fungal disease.”

2. noun

A waxy or powdery coating on a plant, especially on leaves or fruits.

“The farmer noticed the epruinose on the leaves of the citrus tree and decided to treat it with a fungicide.”