热熔胶 rèróngjiāo hot-melt adhesive Origin Definitions Defs Strokes Stroke Words Sentences Sents 热 熱 rè noun heat (physics) heat as a form of energy; thermal energy熔 róng nounverb to melt to melt; to smelt; to fuse; to change a solid substance into a liquid using heat胶 膠 jiāo noun glue glue; gum; any thick and sticky substance like resin or sap