noun Plant Pathology.
a disease of blackberries and raspberries, characterized by an orange, powdery mass of spores on the undersides of the leaves and stunted, misshapen foliage, caused by a rust fungus, Gymnoconia interstitialis.
When To Use Definite vs. Indefinite ArticlesArticles are a unique type of adjectives that indicate which noun (person, place, or thing) you’re talking about. The only definite article in English is the, and it refers to a specific noun. Indefinite articles (a or an) refer to nouns more generally. Indefinite Articles Indefinite articles refer to non-specific nouns. Think “I need a pen” or “I want an orange.” In both cases, we …
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019