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Polybranchia
Polybromide
polybrominated biphenyl
polybutadiene
polybutene
polybutylene
polycarbonate
Polycarp
Polycarpellary
Polycarpic
Polycarpous
polycentric
polycentrism
Polychaeta
polychaete worm
polychete
polychete worm
Polychloride
polychlorinated biphenyl
Polychoerany
Polychord
polychotomous
polychotomy
Polychrest
Polychrest salt
Polychroism
Polychroite
Polychromate

polychaete definitions

WordNet (r) 3.0 (2005)

n
1: chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles [syn: polychaete, polychete, polychaete worm, polychete worm]

Merriam Webster's

noun Etymology: ultimately from Greek polychait?s having much hair, from poly- + chait? long hair Date: 1896 any of a class (Polychaeta) of chiefly marine annelid worms (as clam worms) usually with paired segmental appendages, separate sexes, and a free-swimming trochophore larva polychaete adjective

Britannica Concise

Any of about 5,400 species of marine worms of the annelid class Polychaeta, having a segmented body with many setae (bristles) on each segment. Species, often brightly colored, range from less than an inch (2.5 cm) to about 10 ft (3 m) long. Most body segments bear two bristly parapodia (lobelike outgrowths). The head has short sensory projections and tentacles. Adults may be free-swimming or sedentary; larvae are free-swimming. Found worldwide, polychaetes are important for turning over sediment on the ocean bottom. One species, the bloodworm, is a popular saltwater fish bait. See also tube worm.

Oxford Reference Dictionary

n. any aquatic annelid worm of the class Polychaeta, including lugworms and ragworms, having numerous bristles on the fleshy lobes of each body segment. Derivatives: polychaetan adj. polychaetous adj.




 


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