adjectiveπShareBeing a generalization of a perfect number. For a given natural number k, a number n is called k-perfect (or k-fold perfect) iff the sum of all positive divisors of n (the divisor function, Ο(n)) is equal to kn."While 6 is a perfect number because the sum of its proper divisors (1, 2, and 3) equals 6, 12 is pluperfect because the sum of all its divisors (1, 2, 3, 4, 6, and 12) is twice (24) itself. "mathnumberChat with AIVocabulary GamePractice Reading
nounπShareThe pluperfect tense."The teacher explained the pluperfect after she finished teaching the past perfect. "grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
nounπShareA verb in this tense."The teacher said "had studied" is an example of the pluperfect. "grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
adjectiveπShareMore than perfect."The student's essay, already impressive in its arguments and evidence, was made pluperfect by the addition of a truly insightful conclusion. "grammarlanguageChat with AIVocabulary GamePractice Reading
adjectiveπShare(grammar) Pertaining to action completed before or at the same time as another."After the bell rang, the teacher announced that the test paper, which had been pluperfect, was now late. "grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
adjectiveπShareRelating to a certain type of graph, complying with the theorem (pluperfect graph theorem) discovered by D. R. Fulkerson in 1970."The mathematician confirmed that the graph was pluperfect, meaning it adhered to Fulkerson's theorem. "maththeorytechnicalChat with AIVocabulary GamePractice Reading
adjectiveπShareUsed as an intensifier in various interjections."What in the pluperfect hell is going on here?!"grammarlinguisticswordChat with AIVocabulary GamePractice Reading
