Minority Business. Development Agency. Mission Statement. The Minority Business Development Agency is an entrepreneurially-focused and innovative organization, committed to minority business enterprise and wealth creation.
Freebase (5.00 / 1 vote) Rate this definition: Mid-ocean ridge. A mid-ocean ridge is a general term for an underwater mountain system that consists of various mountain ranges, typically having a valley known as a rift running along its spine, formed by plate tectonics.
Professor, Marine Geophysics. University of California, Santa Barbara. The mid-ocean ridge system is the most extensive chain of mountains on earth, but more than 90% of this mountain range lies in the deep ocean. The mid-ocean ridge wraps around the globe for more than 65,000 km like the seam of a baseball.