外がい炎えん

noun

outer cone of a flame; oxidizing flame

Chemistry term for the outer, oxidizing part of a flame, contrasted with 内炎 (inner cone/reducing flame).

See also: 内炎

• ブンゼンバーナーの外がい炎えんは酸さん化か炎えんとして使つかわれる。

  The outer cone of a Bunsen burner is used as an oxidizing flame.

• 外がい炎えんの温おん度どは内ない炎えんより高たかい。

  The temperature of the outer cone is higher than that of the inner cone.