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peripatus
peripheral
peripheral nerve entrapment syndrome
peripheral nervous system
periphery
periphery region
periphrasis
periphrastic
periphyton
periplasm
periplast
periproct
peripteral
perique
periscope
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perish
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peristome
per·i·stome
[
pérrə stm
]
(
plural
per·i·stomes
)
noun
Definition:
mouthparts of invertebrate:
the mouthparts of an invertebrate such as an earthworm or echinoderm
per·i·sto·mal
[
pèrrə stṓməl
]
adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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per·i·sto·mal [ pèrrə stṓməl ] adjective
