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prenominal
prenotion
prenuptial
prenuptial agreement
preoccupation
preoccupied
preoccupy
preop
preoperational
preoperative
preordain
preovulatory
prep
prep.
prep school
prepackage
prepaid interest
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preoperational

pre·op·er·a·tion·al [ pr òppə ráyshən'l, pr òppə ráyshnəl ]


adjective 
Definition:
 
relating to stage of child development: used in the theory of Jean Piaget to describe a developmental stage of childhood between the ages of two and seven, when children can verbalize thoughts but think intuitively rather than logically

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