*top*

n. [ Acetic + phenyl + one. ] (Chem.) A crystalline ketone, CH3.CO.C6H5, which may be obtained by the dry distillation of a mixture of the calcium salts of acetic and benzoic acids. It is used as a hypnotic under the name of hypnone. [ Webster 1913 Suppl. ]

n. [ Gr. 'a priv. + &unr_; color + &unr_; sight. ] Color blindness; inability to distinguish colors; Daltonism. [ 1913 Webster ]

n. 1. an extinct primate of about 38 million years ago; -- fossils were found in Egypt. [ WordNet 1.5 ]

a. Of or pertaining to Aristophanes, the Athenian comic poet. [ 1913 Webster ]

adv. On or at the top. Milton. [ 1913 Webster ]

. (Phys. Geog.) A system of land forms produced by the free action of rain and streams on rocks of uniform texture. [ Webster 1913 Suppl. ]

a. [ See Auto-, and Pathic, a. ] (Med.) Dependent upon, or due or relating to, the structure and characteristics of the diseased organism; endopathic; as, an autopathic disease; an autopathic theory of diseases. [ Webster 1913 Suppl. ]

‖n. pl. [ NL., fr. Gr. &unr_; self + &unr_; to eat. ] (Zool.) Birds which are able to run about and obtain their own food as soon as hatched. [ 1913 Webster ]

n. [ Gr. &unr_; self + &unr_; to eat. ] (Med.) The feeding of the body upon itself, as in fasting; nutrition by consumption of one's own tissues. [ Webster 1913 Suppl. ]

n. [ Auto- + Gr. &unr_; fear. ] Fear of one's self; fear of being egotistical. [ R. ] Hare. [ 1913 Webster ]

n. [ Auto- + Gr. &unr_; a sound. ] (Med.) An auscultatory process, which consists in noting the tone of the observer's own voice, while he speaks, holding his head close to the patient's chest. Dunglison. [ 1913 Webster ]

n. a device that automatically keeps ships or planes or spacecraft on a steady course.
Syn. -- automatic pilot. [ WordNet 1.5 ]

a. Of or pertaining to autoplasty. [ 1913 Webster ]

n. [ Auto- + -plasty. ] (Surg.) The process of artificially repairing lesions by taking a piece of healthy tissue, as from a neighboring part, to supply the deficiency caused by disease or wounds. [ 1913 Webster ]

a. [ Auto- + pneumatic. ] Acting or moving automatically by means of compressed air. [ Webster 1913 Suppl. ]

{ } a. Pertaining to autopsy; autoptical. [ Obs. ] [ 1913 Webster ]

n. [ Auto- + Gr. &unr_; the itch. ] (Med.) That which is given under the doctrine of administering a patient's own virus. [ 1913 Webster ]

n. [ Gr. &unr_;, fr. &unr_; seen by one's self; &unr_; self + &unr_; seen: cf. F. autopsie. See Optic, a. ] 1. Personal observation or examination; seeing with one's own eyes; ocular view. [ 1913 Webster ]

By autopsy and experiment. Cudworth. [ 1913 Webster ]

2. (Med.) Dissection of a dead body, for the purpose of ascertaining the cause, seat, or nature of a disease; a post-mortem examination. [ 1913 Webster ]

{ } a. [ Gr. a'ytoptiko`s: cf. F. autoptique. ] Seen with one's own eyes; belonging to, or connected with, personal observation; as, autoptic testimony or experience. [ 1913 Webster ]

adv. By means of ocular view, or one's own observation. Sir T. Browne. [ 1913 Webster ]

n. [ Gr. &unr_; that may be increased + &unr_; sound, voice. ] A pneumatic reproducer for a phonograph, controlled by the recording stylus on the principle of the relay. It produces much clearer and louder tones than does the ordinary vibrating disk reproducer. [ obsolescent ] [ Webster 1913 Suppl. ]

n. 1. In baseball, a fence, prop. at least 90 feet behind the home base, to stop the balls that pass the catcher; also, the catcher himself. [ Webster 1913 Suppl. ]

2. In rounders, the player who stands immediately behind the striking base. [ Webster 1913 Suppl. ]

3. In cricket, the longstop; also, the wicket keeper. [ Webster 1913 Suppl. ]

‖n. pl. [ NL., fr. Gr. ba`sis base + 'o`mma eye + fe`rein to bear. ] (Zool.) A group of Pulmonifera having the eyes at the base of the tentacles, including the common pond snails. [ 1913 Webster ]

n. [ Gr. bi`os life + photo + fwnh` sound, voice. ] An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds; -- an archaic term replaced by movie projector. [ archaic ] [ Webster 1913 Suppl. ]

n. a region uniform in its environmental conditions and in the types of plants and animals living in it. [ PJC ]

n. 1. a bituminous material used for providing a smooth paving to a road. [ PJC ]

2. the surface of a road paved with blacktop{ 1 }. [ PJC ]

adj. paved with a bituminous material; -- of roads or paths; as, a blacktopped driveway. [ WordNet 1.5 ]

n. [ Gr. blasto`s sprout + &unr_; to bear. ] (Biol.) That portion of the spermatospore which is not converted into spermatoblasts, but carries them. [ 1913 Webster ]

{ } a. Relating to the blastophore. [ 1913 Webster ]

n. [ Gr. blasto`s sprout + E. pore. ] (Biol.) The pore or opening leading into the cavity of invagination, or archenteron. [ See Illust. of Invagination. ] Balfour. [ 1913 Webster ]

adj. of or pertaining to a blastopore. [ WordNet 1.5 ]

n. 1. (Naut.) The act or process of daubing a vessel's bottom near the surface of the water with a mixture of tallow, sulphur, and resin, as a temporary protection against worms, after the slime, shells, etc., have been scraped off. [ 1913 Webster ]

2. (Naut.) Sheathing a vessel with planking over felt. [ 1913 Webster ]

adj. covered with caliche{ 2 }, a hard calcium-carbonate encrusted soil. [ WordNet 1.5 ]

{ } a. [ Gr. &unr_;. See Catopter. ] Of or pertaining to catoptrics; produced by reflection. [ 1913 Webster ]

Catoptric light, a light in which the rays are concentrated by reflectors into a beam visible at a distance. [ 1913 Webster ]

n. [ Cf. F. catoptrique. See Catropric. ] (Physics) That part of optics which explains the properties and phenomena of reflected light, and particularly that which is reflected from mirrors or polished bodies; -- formerly called anacamptics. [ 1913 Webster ]

n. [ Gr. &unr_; mirror + -mancy. See Catopter. ] (Antiq.) A species of divination, which was performed by letting down a mirror into water, for a sick person to look at his face in it. If his countenance appeared distorted and ghastly, it was an ill omen; if fresh and healthy, it was favorable. [ 1913 Webster ]

{ } n. [ Gr. &unr_; mirror, fr. &unr_; visible. ] A reflecting optical glass or instrument; a mirror. [ Obs. ] [ 1913 Webster ]

n. [ Obs. ] See Catopter. [ 1913 Webster ]

n. a natural family coextensive with the genus Ceratophyllum; the hornworts.
Syn. -- family Ceratophyllaceae. [ WordNet 1.5 ]

n. the sole genus constituting the family Ceratophyllaceae; the hornworts.
Syn. -- genus Ceratophyllum. [ WordNet 1.5 ]

n. the type genus of the Ceratopogonidae.
Syn. -- genus Ceratopogon. [ WordNet 1.5 ]

n. a natural family of insects including the biting midges and sand flies.
Syn. -- family Ceratopogonidae. [ WordNet 1.5 ]

n. a suborder of extinct animals including triceratops.
Syn. -- suborder Ceratopsia. [ WordNet 1.5 ]

n. any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls, of the late Cretaceous in North America and Mongolia.
Syn. -- horned dinosaur. [ WordNet 1.5 ]

n. an extinct family of American ceratopsian dinosaurs.
Syn. -- family Ceratopsidae. [ WordNet 1.5 ]

n. (Bot.) a genus of water ferns.
Syn. -- genus Ceratopteris. [ WordNet 1.5 ]

a. (Zool.) Pertaining to the Chætopoda. -- n. One of the Chætopoda. [ 1913 Webster ]

‖n. pl. [ NL., from Gr. &unr_; hair + -poda. ] (Zool.) A very extensive order of Annelida (segmented worms), characterized by the presence of lateral setæ, or spines, on most or all of the segments. They are divided into two principal groups: Oligochæta, including the earthworms and allied forms, and Polychæta, including most of the marine species. [ 1913 Webster ]