The total cost of a business is comprised of fixed costs and variable costs. Fixed costs and variable costs affect the marginal cost of production only if variable costs exist. The marginal cost of production is calculated by dividing the change in the total cost by a one-unit change in the production output level.
Medical Definition of MUSCULAR DYSTROPHY. : any of a group of hereditary diseases characterized by progressive wasting of musclesâcalled also progressive muscular dystrophy; see becker muscular dystrophy, duchenne muscular dystrophy.ull Definition of MUSCULAR DYSTROPHY. : any of a group of hereditary diseases characterized by progressive wasting of muscles â compare Becker muscular dystrophy, Duchenne muscular dystrophy. See muscular dystrophy defined for English-language learners.
MD. 1. Any of a group of progressive muscle disorders caused by a defect in one or more genes that control muscle function and characterized by gradual irreversible wasting of skeletal muscle.2. Duchenne's muscular dystrophy.oun. 1. muscular dystrophy-any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles. dystrophy.