delivery of packages; postal service
Ministry of Communications and Transportation (dissolved in 1949)
communications (e.g. post, telegraph)
gradual decrease; gradual diminution
Minister of Communications and Transportation (1885-1949)
law of diminishing marginal product
law of diminishing marginal utility
law of diminishing returns; law of diminishing marginal returns
multiplier (e.g. frequency)
multiplication (e.g. of frequencies)