Definition of estimation in English:



  • 1A rough calculation of the value, number, quantity, or extent of something.

    ‘estimations of protein concentrations’
    • ‘Moreover, the figures of nine per cent and five per cent were estimations by federal officials, who lacked hard statistical data upon which to base their percentages.’
    • ‘All statistical estimations were computed using the latest software.’
    • ‘As expected, estimations obtained with 1 million simulations are more accurate than those obtained with 100,000 simulations.’
    • ‘Quantitative estimations require more sophisticated approaches.’
    • ‘Thus, the given values for wax layer thickness on leaves are rather rough estimations.’
    • ‘It also results in more conservative estimations of brand values than other methods: this can be a problem when those who are in the market to acquire a brand seek valuation methods that justify bidding a higher price to win the deal.’
    • ‘The Bench examined Sergeant Henderson's watch and decided that the defendant was wrong in his estimation of its value.’
    • ‘This model was developed to provide UV irradiance calculations and UVI estimations with high accuracy for different atmospheric, temporal and geographical conditions.’
    • ‘This system will support passive defense and attack operations by providing impact point predictions and launch point estimations.’
    • ‘While these estimations are rough, we report them to give an idea of where these clubs belong on the Top 100.’
    estimate, rough calculation, approximation, educated guess, informed guess, rough guess, evaluation, assessment, appraisal
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  • 2[usually in singular] A judgement of the worth or character of someone or something.

    ‘the pop star rose in my estimation’
    • ‘He has far too exalted an estimation of human reason and far too optimistic a view of human nature.’
    • ‘Instead, right-to-die advocates project their own gloomy estimation of the worth of human life on to these poor souls.’
    • ‘Such shrewdness is based on a full knowledge and estimation of any situation.’
    • ‘As I contemplate this revelation, the character improves in my estimation.’
    assessment, evaluation, judgement, gauging, rating, appraisal, esteem, opinion, view, analysis
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Late Middle English (originally in the sense ‘comprehension, intuition’, also ‘valuing, a valuation’): from Latin aestimatio(n-), from aestimare determine, appraise (see estimate).