Ma'anar ƙamus na kalmar "ƙaddara" shine cirewa ko rage abun ciki na calcium na wani abu, musamman a cikin mahallin halitta. Alal misali, ƙididdige kashi ya ƙunshi cire calcium daga nama na kashi, sau da yawa don shirya shi don ƙarin nazari ko bincike. A wasu mahallin, ƙaddamarwa na iya nufin tsarin cire ma'adinan calcium daga saman ko wani abu, kamar mai yin kofi ko tace ruwa.
