異い食しょくいしょくじ字FuriganaMeanings1nounpica; parorexia; allotriophagymedicine›Medical term for the persistent eating of non-nutritive substances. Often used in the compound 異食症 (pica disorder).See also: 異食症異い食しょく症しょうの患かん者じゃは、土つちや紙かみなどを食たべてしまうことがある。Patients with pica may eat things like dirt or paper.