the theorem that in a metric space every covering consisting of open sets that covers a closed and compact set has a finite collection of subsets that covers the given set.
Giovanni Alfonso [joh-vah-nee al-fon-soh,, -zoh,, jee-uh-;; Italian jaw-vahn-nee ahl-fawn-zaw] /dʒoʊˈvɑ ni ælˈfɒn soʊ,, -zoʊ,, ˌdʒi ə-;; Italian dʒɔˈvɑn ni ɑlˈfɔn zɔ/ (Show IPA), 1608–79, Italian astronomer, physicist, and physiologist. Contemporary Examples Suicide Crisis: Why the Military Needs Mandatory Mental-Health Services Marjorie Morrison September 26, 2012 Al Gore Accused of Abusing His Spot on Apple’s Board […]
a person or thing that bores or pierces. Machinery. a tool used for boring; auger. Zoology. any of several insects that bore into trees, fruits, etc., especially a beetle that bores into the woody part of plants. any of various mollusks, worms, etc., that bore into wood, stone, coral, or shells. a marsipobranch fish, as […]
noun (NZ) a device that emits pesticide fumes