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periapsis
periapt
periastron
pericarditis
pericardium
pericarp
perichondrium
periclase
periclinal
pericline
pericope
pericranium
pericycle
periderm
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peridotite
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periclinal

per·i·cli·nal [ pèrrə kln'l ]


adjective 
Definition:
 
1. dome-shaped: used to describe a fold in sedimentary rocks that appears as a regular dome on the surface of the Earth

2. parallel to outside wall: describes cell walls that are parallel to the outer surface of a plant part

[Late 19th century. < Greek periklinēs "sloping all around" < peri "all around" + klinein "to slope"]
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