Definition of melioration in US English:

melioration

noun

formal
  • See meliorate

    • ‘In these essays, the globalized economy appears principally as a means of melioration for the gutsy women who exploit its singular opportunities.’
    • ‘The two countries will co-operate and exchange expertise in vine-growing and wine-making, rose oil production, fruit and vegetable processing, freshwater fishery, and hydro melioration.’
    • ‘That sense of melioration, strong in many Americans, that things can be accomplished for the good of others, is ultimately repulsive to Thayler's distinct moral sensibility.’
    • ‘Nevertheless, slang items often diverge from standard usage in predictable ways, especially by generalization and melioration.’

Pronunciation

melioration

/ˌmēlēəˈrāSHən/