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PericliniumPericlitate
Periclitation
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Periculosum est res novas et inusitatas inducere
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Periculum rei venditae
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peridinian
Peridiniidae
Peridinium
-- Peridium --
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perigon
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Peridium
Pe`rid´i`um
| n. | 1. | (Bot.) The envelope or coat of certain fungi, such as the puffballs and earthstars. |
| Noun | 1. |  peridium - outer layer of the spore-bearing organ in many fungi |