変分 へんぶん Meanings Noun variation Kanji 変 change. Read as ヘン. 分 part. Read as ブン. Words containing 変分 変分法 (へんぶんほう) calculus of variations 変分原理 (へんぶんげんり) variational principle 変分学 (へんぶんがく) calculus of variations Word lists Mathematics Jinuma: Japanese Dictionary · Word lists