a. [ Gr. 'a`kros summit + L. petere to seek. ] (Bot.) Developing from below towards the apex, or from the circumference towards the center; centripetal; -- said of certain inflorescence. [ 1913 Webster ]

n. [ Aëro- + Gr. &unr_; to look out. ] (Biol.) An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air. [ 1913 Webster ]

n. [ Gr. &unr_; clear + &unr_; to observe. ] An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded. [ 1913 Webster ]

adv. & a. [ Pref. a- + grope. ] In the act of groping. Mrs. Browning. [ 1913 Webster ]

n. a propeller designed for propelling airplanes.
Syn. -- airscrew, propeller, prop. [ WordNet 1.5 +PJC ]

n. [ Gr. &unr_; true + &unr_; to view. ] An instrument for viewing pictures by means of a lens, so as to present them in their natural proportions and relations. [ 1913 Webster ]

{ ‖ } n. [ L. alopecia, Gr. 'alwpeki`a, fr. 'alw`phx fox, because loss of the hair is common among foxes. ] (Med.) Loss of the hair; baldness. AS [ 1913 Webster ]

n. A practitioner who tries to prevent or cure baldness. [ 1913 Webster ]

prop. n. a genus of arctic foxes.
Syn. -- genus Alopex. [ WordNet 1.5 ]

n. [ L. altus high + Gr. &unr_; to view. ] An arrangement of lenses and mirrors which enables a person to see an object in spite of intervening objects. Since the early 1900's, most commonly called periscope. [ 1913 Webster ]

n. a genus of epiphytic or terrestrial ferns of America and Africa and Polynesia.
Syn. -- genus Amauropelta. [ WordNet 1.5 ]

n. [ Gr. &unr_; + E. peptone. ] (Physiol.) A product of gastric digestion, a mixture of hemipeptone and antipeptone. [ 1913 Webster ]

n. [ Anamorphosis + -scope. ] An instrument for restoring a picture or image distorted by anamorphosis to its normal proportions. It usually consists of a cylindrical mirror. [ Webster 1913 Suppl. ]

a. [ Gr. 'anh`r, 'andro`s, man + pe`talon leaf. ] (Bot.) Produced by the conversion of the stamens into petals, as double flowers, like the garden ranunculus. Brande. [ 1913 Webster ]

n. [ Gr. &unr_; wind + -scope: cf. F. anémoscope. ] An instrument which shows the direction of the wind; a wind vane; a weathercock; -- usually applied to a contrivance consisting of a vane above, connected in the building with a dial or index with pointers to show the changes of the wind. [ 1913 Webster ]

n. [ Angio- + -scope. ] An instrument for examining the capillary vessels of animals and plants. Morin. [ 1913 Webster ]

a. [ Gr. &unr_; unequal + &unr_; leaf. ] (Bot.) Having unequal petals. [ 1913 Webster ]

{ } a. [ Gr. &unr_; unequal + &unr_; a turning, &unr_; to turn. ] (Physics) Not isotropic; having different properties in different directions; thus, crystals of the isometric system are optically isotropic, but all other crystals are anisotropic. [ 1913 Webster ]

n. [ Gr. 'an priv. + 'orqo`s straight + -scope. ] (Physics) An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted. [ 1913 Webster ]

n. [ OF. antelop, F. antilope, from Gr. 'anqo`lops, -lopos, Eustathius, “Hexaëm., ” p. 36, the origin of which is unknown. ] (Zool.) One of a group of ruminant quadrupeds, intermediate between the deer and the goat. The horns are usually annulated, or ringed. There are many species in Africa and Asia. [ 1913 Webster ]

The antelope and wolf both fierce and fell. Spenser. [ 1913 Webster ]

☞ The common or bezoar antelope of India is Antilope bezoartica. The chamois of the Alps, the gazelle, the addax, and the eland are other species. See Gazelle. The pronghorn antelope (Antilocapra Americana) is found in the Rocky Mountains. See Pronghorn. [ 1913 Webster ]

n. One who is elected, or claims to be, pope in opposition to the pope canonically chosen; esp. applied to those popes who resided at Avignon during the Great Schism. [ 1913 Webster ]

‖ n. [ L., fr. Gr. &unr_; a cutting off, fr. &unr_; to cut off; &unr_; from + &unr_; to cut. ] 1. The cutting off, or omission, of the last letter, syllable, or part of a word. [ 1913 Webster ]

2. (Med.) A cutting off; abscission. [ 1913 Webster ]

a. [ Gr. 'apopemptiko`s, fr. 'apope`mpein to send off or away; 'apo` from + pe`mpein to send. ] Sung or addressed to one departing; valedictory; as, apopemptic songs or hymns. [ 1913 Webster ]

‖n. [ L., fr. Gr. &unr_;, from &unr_; to be quite silent. ] (Rhet.) A figure of speech in which the speaker breaks off suddenly, as if unwilling or unable to state what was in his mind; as, “I declare to you that his conduct -- but I can not speak of that, here.” [ 1913 Webster ]

adv. & a. [ Pref. a- + slope. ] Slopingly; aslant; declining from an upright direction; sloping. “Set them not upright, but aslope.” Bacon. [ 1913 Webster ]

n. [ Gr. &unr_;, lit., lightning. ] 1. (Myth.) One of the Pleiades; -- called also Sterope. [ Webster 1913 Suppl. ]

2. (Astron.) A double star in the Pleiades (21 k and 22 l Pleiadum, of the 5.8 and 6.4 magnitude respectively), appearing as a single star of the 5.3 magnitude to the naked eye. [ Webster 1913 Suppl. ]

n. [ Astro- + scope. ] An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated. [ 1913 Webster ]

n. [ L. auris + -scope. ] (Med.) An instrument for examining the condition of the ear. [ 1913 Webster ]

n. [ Gr. ba`ros weight + -scope: cf. F. baroscope. ] Any instrument showing the changes in the weight of the atmosphere; also, less appropriately, any instrument that indicates or foreshadows changes of the weather, as a deep vial of liquid holding in suspension some substance which rises and falls with atmospheric changes. [ 1913 Webster ]

a. [ Gr. bibli`on book + phgny`naito make fast. ] Relating to the binding of books. [ R. ] [ 1913 Webster ]

n. A bookbinder. [ 1913 Webster ]

a. Pertaining to the art of binding books. [ R. ] Dibdin. [ 1913 Webster ]

n. [ See Bibliopegic. ] The art of binding books. [ R. ] [ 1913 Webster ]

n. [ Gr. bi`os life + -scope. ] 1. A view of life; that which gives such a view. [ 1913 Webster ]

Bagman's Bioscope: Various Views of Men and Manners. [ Book Title. ] W. Bayley (1824). [ Webster 1913 Suppl. ]

2. An animated picture machine for screen projection; a cinematograph (which see); an archaic term replaced by movie projector. [ archaic ] [ Webster 1913 Suppl. ]

3. a South African movie theater. [ WordNet 1.5 ]

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

(Zool.) See Oryx. [ 1913 Webster ]

n. (Naut.) A rope stitched to the edges of a sail to strengthen the sail. [ 1913 Webster ]

n. [ Bo + peep. ] The act of looking out suddenly, as from behind a screen, so as to startle some one (as by children in play), or of looking out and drawing suddenly back, as if frightened. [ 1913 Webster ]

I for sorrow sung,
That such a king should play bopeep,
And go the fools among. Shak. [ 1913 Webster ]

n. See Breastband. [ 1913 Webster ]

n. [ L. Calliope, Gr. Kallio`ph, lit, the beautiful-voiced; pref. kalli- (from kalo`s beautiful) + 'o`ps, 'opo`s, voice. ] 1. (Class. Myth.) The Muse that presides over eloquence and heroic poetry; mother of Orpheus, and chief of the nine Muses. [ 1913 Webster ]

2. (Astron.) One of the asteroids. See Solar. [ 1913 Webster ]

3. A musical instrument consisting of a series of steam whistles, toned to the notes of the scale, and played by keys arranged like those of an organ. It is sometimes attached to steamboat boilers. [ 1913 Webster ]

4. (Zool.) A beautiful species of humming bird (Stellula Calliope) of California and adjacent regions. [ 1913 Webster ]

n. [ NL., fr. Gr. &unr_;. ] (Astron.) A constellation of the northern hemisphere, situated between Cepheus and Perseus; -- so called in honor of the wife of Cepheus, a fabulous king of Ethiopia. [ 1913 Webster ]

Cassiopeia's Chair, a group of six stars, in Cassiopeia, somewhat resembling a chair. [ 1913 Webster ]

n. [ Gr. &unr_; thunder and lightning + -scope. ] An instrument or apparatus employed in the ancient mysteries to imitate thunder and lightning. T. Moore. [ 1913 Webster ]

a. [ Chlorine + peptic. ] (Physiol. Chem.) Of or pertaining to an acid more generally called pepsin-hydrochloric acid. [ 1913 Webster ]

n. [ Gr. &unr_; color + -scope. ] An instrument for showing the optical effects of color. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, color + -scope. ] (Astron.) A reflecting telescope, part of which is made to rotate eccentrically, so as to produce a ringlike image of a star, instead of a point; -- used in studying the scintillation of the stars. [ 1913 Webster ]

n. [ Gr. &unr_; color + &unr_; turn, rotation, &unr_; to turn. ] 1. (Physics) An instrument for exhibiting certain chromatic effects of light (depending upon the persistence of vision and mixture of colors) by means of rapidly rotating disks variously colored. [ 1913 Webster ]

2. A device in a magic lantern or stereopticon to produce kaleidoscopic effects. [ 1913 Webster ]

n. [ Gr. &unr_; time + -scope. ] An instrument for measuring minute intervals of time; used in determining the velocity of projectiles, the duration of short-lived luminous phenomena, etc. [ 1913 Webster ]

a. Having ridges or bunches of flesh, like collops. [ 1913 Webster ]

With that red, gaunt, and colloped neck astrain. R. Browning. [ 1913 Webster ]

n. See Coupe. [ Obs. ] Johnson. [ 1913 Webster ]

n. [ From Coop. ] One who makes barrels, hogsheads, casks, etc. [ 1913 Webster ]