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pleuropneumonia
pleuston
Pleven
plexiform
Plexiglas
plexor
plexus
pliable
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plica
plicate
plication
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pleura

pleu·ra [ plrə ]


noun  (plural pleu·rae [ pl r ] or pleu·ras)
Definition:
 
membrane around lungs: a thin transparent membrane that lines the chest wall and doubles back to cover the lungs, thereby forming a continuous sac enclosing the narrow pleural cavity. The inner faces of the cavity are lubricated by fluid to ease breathing movements.

Definition:
 
zoology 
Plural of  pleuron


[15th century. Via medieval Latin< Greek, "side, rib"]

pleu·ral adjective
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