polyphemus moth
— Noun
– English
~ very large yellowish-brown American silkworm moth with large eyespots on hind wings; larvae feed on fruit and shade trees
polyphone
— Noun
– English
~ a letter that has two or more pronunciations; "`c' is a polyphone because it is pronounced like `k' in `car' but like `s' in `cell'"
polyphonic letter
— Noun
– English
~ a letter that has two or more pronunciations; "`c' is a polyphone because it is pronounced like `k' in `car' but like `s' in `cell'"
polyphonic music
— Noun
– English
~ music arranged in parts for several voices or instruments
polyphony
— Noun
– English
~ music arranged in parts for several voices or instruments
polyphosphate
— Noun
– English
~ a salt or ester of polyphosphoric acid
Polyplacophora
— Noun
– English
~ small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
polyplacophore
— Noun
– English
~ primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
polyploid
— Noun
– English
~ (genetics) an organism or cell having more than twice the haploid number of chromosomes
polyploidy
— Noun
– English
~ the condition of being polyploid
polypodiaceae
— Noun
– English
~ ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
Polypodiales
— Noun
– English
~ true (leptosporangiate) ferns
Polypodium polypodioides
— Noun
– English
~ fern growing on rocks or tree trunks and having fronds greyish and scurfy below; Americas and South Africa
Polypodium aureum
— Noun
– English
~ tropical American fern with brown scaly rhizomes cultivated for its large deeply lobed deep bluish-green fronds; sometimes placed in genus Polypodium
Polypodium
— Noun
– English
~ a genus of ferns belonging to the family Polypodiaceae and having rounded naked sori
polypody
— Noun
– English
~ any of numerous ferns of the genus Polypodium
Polyporaceae
— Noun
– English
~ fungi that become corky or woody with age, often forming shelflike growths on trees
polypore
— Noun
– English
~ woody pore fungi; any fungus of the family Polyporaceae or family Boletaceae having the spore-bearing surface within tubes or pores; the fruiting bodies are usually woody at maturity and persistent