low- - mass
- march of history
- march of science
- margin of error
- margin of profit
- marginal constituency
- marginal difference
- marginal effect
- marginal efficiency
- marginal expenditures
- marginal gain
- marginal labor
- marginal note
- marginal population
- marginal position
- marginal preference
- marginal product
- marginal productivity
- marginal return
- marginal revenue
- marginal reward
- marginal seat
- marginal situations
- marginal utility
- marginal value
- marginal yield
- marginalization of a party
- marine aircraft
- marine environment
- marine environment protection
- marine pollution
- marine program
- marine transport
- marines brigade
- marital relations
- marital status
- maritime code
- maritime flag
- maritime industry
- maritime law
- maritime nation
