叠合 Traditional form: 疊合 Pinyin (reading): diéhé Definitions: to overlay; to superpose; to superimpose; to overlap Characters: 叠 - pile; layer; to fold up; to repeat, to duplicate 合 - to combine, to join, to unite; to gather Traditional characters: 疊 - pile; layer; to fold up; to repeat, to duplicate 合 - to combine, to join, to unite; to gather