noun🔗ShareOne hundredth of a given value, used to measure the difference of two percentages."The bank increased the interest rate on savings accounts by 50 pp, meaning an increase of 0.5% (from say, 2% to 2.5%). "mathstatisticsbusinessfinanceChat with AIVocabulary GamePractice Reading
noun🔗ShareProton and proton (used attributively to describe a collision or other interaction of these two particles)"The scientists analyzed the data from the pp collision experiment, hoping to find new subatomic particles. "physicsenergyChat with AIVocabulary GamePractice Reading
