noun
: a disease of conifer seedlings caused by a fungus ( Phacidium infestans ) that attacks the needles under the snow, causes them to turn brown, and covers them with white mycelium
noun
: a disease of conifer seedlings caused by a fungus ( Phacidium infestans ) that attacks the needles under the snow, causes them to turn brown, and covers them with white mycelium
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012