一層 yīcéng layer Origin Definitions Defs Strokes Stroke Words Sentences Sents yīcéng layer · floor 一 yī numeral one one; the number 1; single; alone层 層 céng measure wordnoun [layer/floor] Used for things that are piled up or overlapping, such as floors of a building, coats of paint, or levels of meaningyīcéng aspect 一 yī numeral one one; the number 1; single; alone层 層 céng noun level A stage, grade, or tier within a hierarchy, organization, or abstract structure