| association [ǝ´sō·sē`ā·shǝn] ASTRONOMY A sparsely populated grouping of very young stars that appear to have had a common origin and have not yet had time to disperse. CHEMISTRY Combination or correlation of substances or functions. ECOLOGY Major segment of a biome formed by a climax community, such as an oak-hickory forest of the deciduous forest biome. PSYCHOLOGY A connection formed through learning. |