單元

unit (forming an entity) / element / (in a residential building) entrance or staircase

surname Shan

bill / list / form / single / only / sole / odd number / CL:個|个[ge4]

surname Yuan / the Yuan or Mongol dynasty (1279-1368)

currency unit (esp. Chinese yuan) / first / original / primary / fundamental / constituent / part / era (of a reign) / meta- (prefix) / (math.) argument / variable / (Tw) (geology) eon

apartment

modular unit

(spreadsheet) cell

finite element (method)