Search the Dictionary

Of or pertaining to both throat and nose; as, a nasopharyngeal polypus.

l; as, nutritive food or berries. Nutritive plasma. (Biol.) See Idioplasma. -- Nutritive polyp (Zoöl.), any one of the zooids of a compound hydroid, or coral, which has a mouth and digestive cavity. -- Nu"tri*tive*ly, adv. -- Nu"tri*tive*ness, n.

Having the parts in eights; as, an octamerous flower; octamerous mesenteries in polyps.

k pheasant (Zoöl.), any one of several species of handsome Asiatic pheasants of the genus Polyplectron. They resemble the peacock in color.

A shoot or bud of a plant; a polyp or zooid of the compound Hydrozoa Anthozoa, etc.; also, an individual, in the narrowest sense, among the higher animals. Haeckel. True corms, composed of united personæ . . . usually arise by gemmation, . . . yet in sponges and corals occasionally by fusion of several originally disti…

Mollusca, including the chitons. The back is covered by eight shelly plates. Called also Polyplacophora. See Illust. under Chiton, and Isopleura.

A combining form signifying developing, forming, growing; as, heteroplastic, monoplastic, polyplastic.

rces; originating at various places or times. 2. (Biol.) Of or pertaining to polygenesis; polyphyletic. Polygenetic mountain range (Geol.), one which is composite, or consists of two or more monogenetic ranges, each having had its own history of development. Dana.

Any plant or species of the genus Papaver, herbs with showy polypetalous flowers and a milky juice. From one species (Papaver somniferum) opium is obtained, though all the species contain it to some extent; also, a flower of the plant. See Illust. of Capsule. California poppy (Bot.), any yellow-flowered plant of the ge…

A genus of polypetalous plants; also, any plant of the genus.

A fungus (Polyporus fomentarius, etc.) sometimes dried for tinder; agaric.

A simpleton; a saphead; a milksop. [Slang] Sap ball (Bot.), any large fungus of the genus Polyporus. See Polyporus. -- Sap green, a dull light green pigment prepared from the juice of the ripe berries of the Rhamnus catharticus, or buckthorn. It is used especially by water-color artists. -- Sap rot, the dry rot. See…

s species of large handsome moths belonging to Saturnia and allied genera. The Luna moth, polyphemus, and promethea, are examples. They belong to the Silkworn family, and some are raised for their silk. See Polyphemus.

A genus of exogenous polypetalous plants, embracing about one hundred and eighty species. See Saxifrage.

Of or pertaining to a natural order (Sterculiaceæ) of polypetalous exogenous plants, mostly tropical. The cacao (Theobroma Cacao) is the most useful plant of the order.

One of a peculiar kind of zooids situated on the polyp-stem of certain Siphonophora. They somewhat resemble the feeding zooids, but are destitute of mouths. See Siphonophora.

Bearing the stamens directly on the receptacle; -- said of a subclass of polypetalous dicotyledonous plants in the system of De Candolle.

Dried fungi used as tinder; especially, the Polyporus igniarius.

A genus of deep-sea alcyonaria consisting of a cluster of large flowerlike polyps situated at the summit of a long, slender stem which stands upright in the mud, supported by a bulbous base.

Having but one front surface; as, some foliaceous corals are unifacial, the polyp mouths being confined to one surface.