downwelling
down well ing |ˈdounˌweliNG ˈdaʊnˌwɛlɪŋ | ▶noun the downward movement of fluid, esp. in the sea, the atmosphere, or deep in the earth. ▶adjective characterized by or undergoing such movement: downwelling mantle.
down |well |ing |ˈdaʊnwɛlɪŋ | ▶noun [ mass noun ] the downward movement of fluid, especially in the sea, the atmosphere, or deep in the earth. ▶adjective characterized by or undergoing downwelling.