二度 èrdù twice Origin Definitions Defs Strokes Stroke Words Sentences Sents èrdù twice 二 èr numeral second ordinal number two; second度 dù measure word [occurrence] classifier for events, occasions, or timesèrdù [second-degree] · second 二 èr numeral second ordinal number two; second度 dù nounmeasure word degree unit of measurement for angles, temperature, longitude, or latitude; a kilowatt-hour of electricity