Zi Collection, Page Position: Upper, Radical: Person (rén), Page 94, Entry 01 Pronounced dian (falling tone). Explained as "lacking" in the "Shuowen Jiezi" (Shuowen Jiezi). Also, in the "Jiyun" (Jiyun), it is pronounced du nian (entering tone), similar to "dian." The meaning is the same.