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periphrasis
periphrastic
periphyton
periplasm
periplast
periproct
peripteral
perique
periscope
periscopic
perish
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peritrich
per·i·trich [ pérrə trìk ] (plural per·i·tri·cha [ pə ríttrəkə ])


noun 
Definition:
 
microscopic organism: a simple microscopic invertebrate protozoan covered in tiny filaments cilia that it uses to move around
[Early 20th century. < modern Latin peritricha< Greek peri "around" + trikh- "hair"]

pe·rit·ri·chous [ pə ríttrəkəss ] adjective
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