還元炎 かんげんえん Also written 還元焔 Meanings Noun reducing flame See also: 酸化炎 (さんかえん). See also: 内炎 (ないえん). Kanji 還 send back. Read as カン. 元 source. Read as ゲン. 炎 flame. Read as エン. Word lists Chemistry Jinuma: Japanese Dictionary · Word lists