Definition of proportionality in English:

proportionality

noun

mass noun
• 1The quality of corresponding in size or amount to something else.

‘the requirement of proportionality of punishment to offence’
‘they try to ensure some proportionality between input and output’
• ‘Proportionality must be maintained and the realistically-achievable goals must outweigh the reasonably foreseeable harm.’
• ‘You said to the committee that the speaking slots were allocated in terms of proportionality.’
• ‘Proportionality should be a guideline in war.’
• ‘If sales growth is lower than inventory growth, inventories are liquidated to once again restore proportionality.’
• ‘The striking of a fair balance lies at the heart of proportionality.’
• ‘There must be a reasonable relationship of proportionality between the means employed and the aim sought to be achieved.’
• ‘Adding enough women's teams to meet proportionality, the committee calculated, would cost \$3 million.’
• ‘Debt would be written off or suspended below a particular benchmark and proportionality would be used above the benchmark.’
• ‘Wider representation or proportionality is delivered through the Senate.’
1. 1.1Mathematics The fact of a variable quantity having a constant ratio to another quantity.
‘the constant of proportionality between the two curves’
count noun ‘qualitative proportionalities’
• ‘Nowadays the constant of proportionality is known as the Hubble constant.’
• ‘Putting those proportionalities together algebraically allows you deduce a relationship between speed and the number of rowers.’
• ‘The page states Newton's second law of motion as mass and acceleration having a relationship of inverse proportionality.’
• ‘The proportionalities can be defined as functions to obtain quantitative measurement systems.’
• ‘The constant of proportionality was taken to be a universal constant of nature.’

proportionality

/prəpɔːʃ(ə)ˈnalɪti/