酚醛胶 fēnquánjiāo phenolic resin Origin Definitions Defs Strokes Stroke Words Sentences Sents 酚醛 fēnquán phenolic aldehyde phenolic aldehyde or phenolic resin, used to manufacture bakelite; also used for materials like plywood and molded plastics胶 膠 jiāo noun glue glue; gum; any thick and sticky substance like resin or sap