A solution of gutta-percha in chloroform, used in dentistry as an agent to lute gutta-percha filling material to the wall of a prepared root canal.
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chlo·ro·per·cha .klōr-ə-'pər-chə, .klȯr- n a solution of gutta-percha in chloroform used esp. in dentistry (as for filling a root canal)
Medical dictionary. 2011.