noun, Plant Pathology.
a disease of cereals and other grasses, characterized by a dense, cottony growth that covers the affected parts as the snow melts in the spring, caused by any of several fungi of the genera Calonectria, Fusarium, Pythium, and Typhula.
any fungus causing this disease.
noun 1. the accumulation of winter snowfall, especially in mountain or upland regions. noun 1. a quantity of fallen snow that has become massed together snowpack (snō’pāk’) An area of naturally formed, packed snow that usually melts during the warmer months. The amount of snow that accumulates annually in a mountainous area.
noun 1. a variety of the common pea, Pisum sativum macrocarpon, having thin, flat, edible pods that are used in cookery.
noun 1. a small tree, Pyrus nivalis, of eastern Europe and Asia Minor, having showy flowers and nearly globe-shaped fruit.
plural noun 1. precipitation, usually of brief duration, consisting of crisp, white, opaque ice particles, round or conical in shape and about two to five millimeters in diameter.