Definition of plication in English:

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Pronunciation: /plɪˈkeɪʃ(ə)n/


1A fold or corrugation.
Example sentences
  • Strong radiating ribs are common in this group, and there are generally very strong plications or accordion like folds on the sulcus (the long middle section) of the shell.
  • The shell possesses a sulcus on the ventral valve and a corresponding fold on the dorsal valve and several weak plications on flanks.
  • Some shells develop up to two lateral sinal plications, but in most lateral sinal plications are lacking.
1.1 [mass noun] The manner of folding or condition of being folded.
Example sentences
  • Our patients who did not undergo bilateral plication showed a similar pattern.
  • With bilateral paralysis, bilateral plication improves the efficiency of the rib cage muscles in generating tidal volume.
  • They are especially characteristic of many temperate trees where plication occurs between secondary veins before formation of tertiary veins in the bud.


Late Middle English: via Old French from medieval Latin plicatio(n-), from Latin plicare 'to fold'.

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