Medical Definition of displace
1a: to remove from the usual or proper place <in heterotopia the gray portions of the cord are displaced so that patches of gray matter are scattered among the bundles of white fibers—R. L. Cecil et al>b: to shift (an emotion or behavior) from a maladaptive or unacceptable object or form of outlet to a more adaptive or acceptable one <displace punishable behavior by directing it towards things that cannot punish—B. F. Skinner>
2: to set free from chemical combination by taking the place of <zinc displaces the hydrogen of dilute acids>
3: to subject to percolation
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