全天 quántiān all day long Origin Definitions Defs Strokes Stroke Words Sentences Sents 全天候 quántiānhòu all-weather able to operate or be used in any weather conditions全天制 quántiānzhì full-time full-time system, as for school or work全天域 quántiānyù entire sky The whole of the sky or celestial sphere; all-sky