1 (def 3).
[pou-duh-ree] /ˈpaʊ də ri/ adjective 1. consisting of or resembling : powdery sand; powdery clouds. 2. easily reduced to : powdery plaster. 3. sprinkled or covered with or as with : flowers powdery with pollen. adj. early 15c., from powder (n.) + -y (2).
noun 1. any of various parasitic fungi of the ascomycete order Erysiphales, which produce a powderlike film of mycelium on the surface of host plants. 2. Plant Pathology. a disease caused by powdery mildew, characterized by yellowing and death of the foliage and a white mealy growth of fungus on the surface of above-ground parts. […]
[pou-er] /ˈpaʊ ər/ noun 1. ability to do or act; capability of doing or accomplishing something. 2. political or national strength: the balance of power in Europe. 3. great or marked ability to do or act; strength; might; force. 4. the possession of control or command over others; authority; ascendancy: power over men’s minds. 5. […]
noun, Electricity. 1. an amplifier for increasing the power of a signal. noun 1. (electronics) an amplifier that is usually the final amplification stage in a device and is designed to give the required power output