Ma'anar ƙamus na "complex conjugate" ita ce kamar haka:Hadadden haɗin gwiwa yana nufin wasu hadaddun lambobi waɗanda suka bambanta kawai a cikin alamar sassansu. Ma’ana, idan hadadden lamba ta sigar a bi ne, hadadden hadaddunsa na sigar a - bi ne, inda a da b su ne ainihin lambobi kuma ni ne raka’ar hasashe (watau i^2 = -1). Haɗaɗɗen haɗaɗɗiyar lamba ana samun ta ta hanyar canza alamar sashinta na hasashe yayin barin ainihin sashinsa ba canzawa. , da sarrafa sigina. Misali, samfurin hadadden lamba da mahadar sa a kodayaushe lamba ce ta hakika, kuma ana amfani da mahadar wajen nemo sabanin hadadden lamba. Bugu da kari, ana amfani da hadaddun hadaddun lambobi a cikin wakilcin hadaddun lambobi a cikin nau'in polar, inda ma'aunin (ko cikakkiyar darajar) na hadadden lamba shine nisa daga asalinsa a cikin hadadden jirgin, kuma hujja (ko lokaci) shine kwana. wanda hadadden lamba ke yi tare da tabbataccen axis na hakika.