最終更新日：2024/08/02

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Prior to a surgical operation. / In or relating to a Piagetian phase of child development characterized by sparse and logically inadequate mental operations and inability to reason or work with symbols.

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preoperational

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preoperational

adj

Prior to a surgical operation. / In or relating to a Piagetian phase of child development characterized by sparse and logically inadequate mental operations and inability to reason or work with symbols.