密みつ陀だMeanings1nounlitharge; lead oxideabbreviationchemistryAbbreviation of 密陀僧 (みつだそう). Technical term in chemistry for lead(II) oxide, a yellow or reddish powder used in glass and ceramics.See also: 密陀僧密みつ陀だは鉛なまりの酸さん化か物ぶつで、ガラスの製せい造ぞうに使つかわれる。Litharge is a lead oxide used in glass manufacturing.