adjective🔗Share過剰完全Being 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, σ(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. "6は真の約数（1、2、3）の和が6に等しいため完全数ですが、12はすべての約数（1、2、3、4、6、12）の和が自身の2倍（24）であるため過剰完全数です。mathnumberChat with AIVocabulary GamePractice Reading
noun🔗Share過去完了The pluperfect tense."The teacher explained the pluperfect after she finished teaching the past perfect. "先生は過去完了を教え終わった後で、過去完了を説明した。grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
noun🔗Share過去完了A verb in this tense."The teacher said "had studied" is an example of the pluperfect. "先生は「勉強していた」が過去完了の例だと述べた。grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
adjective🔗Share過去完了More than perfect."The student's essay, already impressive in its arguments and evidence, was made pluperfect by the addition of a truly insightful conclusion. "すでにその論点と証拠において印象的だった生徒のエッセイは、真に洞察力のある結論が加えられたことで過去完了になった。grammarlanguageChat with AIVocabulary GamePractice Reading
adjective🔗Share過去完了(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. "ベルが鳴った後、先生は過去完了形だったテスト用紙が、今や遅れていると発表しました。grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
adjective🔗Share1970年にD. R. Fulkersonによって発見された定理（プルーパーフェクトグラフ定理）に準拠した、ある種のグラフに関するRelating 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. "数学者は、そのグラフがプルーパーフェクトであり、フルカーソンの定理に準拠していることを確認した。maththeorytechnicalChat with AIVocabulary GamePractice Reading
adjective🔗Share非常に, 非常にUsed as an intensifier in various interjections."What in the pluperfect hell is going on here?!"一体全体、ここで何が非常に起こっているんだ？！grammarlinguisticswordChat with AIVocabulary GamePractice Reading
