Definition of direct proportion in English:

direct proportion

Line breaks: dir¦ect pro|por¦tion
(also direct ratio)

noun

[mass noun]
  • The relation between quantities whose ratio is constant: sensors emit an electronic signal in direct proportion to the amount of light detected
    More example sentences
    • Moreover, the total amount of each type of atom that accumulated at the terminals was found to increase in direct proportion to the quantity of electricity applied.
    • Big business has prospered in direct proportion to the constant erosion of living standards.
    • There are myriad examples of American hype as well - the quality and quantity of saccharine and nostalgia in direct proportion to the evil or self-interest being undertaken.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody