n. 1. the resistance caused by a gas to the motion of a solid body moving through it. Studied in aerodynamics. [ PJC ]

n. [ Aëro- + dynamics: cf. F. aérodynamique. ] The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects. [ 1913 Webster ]

n. [ Aëro- + Gr. &unr_; . ] (Aëronautics) a heavier-than-air aircraft; same as aeroplane. Contrasted with aerostat. [ PJC ]

a. 1. Pertaining to the force of air in motion. [ 1913 Webster ]

2. having a shape designed to minimize wind resistance (aerodynamic drag) when moving through the air or other gas; -- used especially of vehicles; as, the aerodynamic styling of an automobile. [ PJC ]

n. 1. (Babylonian) the chief Babylonian god; his consort was Sarpanitu.
Syn. -- Marduk, Merodach, Baal Merodach. [ WordNet 1.5 ]

n. a genus of white egrets.
Syn. -- genus Casmerodius. [ WordNet 1.5 ]

n. a genus of completely terrestrial robber frogs.
Syn. -- genus Eleutherodactylus. [ WordNet 1.5 ]

{ } n. pl. [ OF. emmeroides. See Hemorrhoids. ] Hemorrhoids; piles; tumors; boils. [ R. ] Deut. xxviii. 27. [ 1913 Webster ]

v. t. [ imp. & p. p. Eroded; p. pr. & vb. n. Eroding. ] [ L. erodere, erosum; e out + rodere to gnaw. See Rodent. ] 1. To eat into or away; to corrode; as, canker erodes the flesh. “The blood . . . erodes the vessels.” Wiseman. [ 1913 Webster ]

The smaller charge is more apt to . . . erode the gun. Am. Cyc. [ 1913 Webster ]

2. (Geol. & Phys. Geog.) (a) To wear away; as, streams and glaciers erode the land. (b) To produce by erosion, or wearing away; as, glaciers erode U-shaped valleys. [ Webster 1913 Suppl. ]

3. to reduce or lessen as if by eroding; as, a politician's base of support is eroded by evidence of corruption; the buying power of the dollar is eroded by inflation. [ fig. ] [ PJC ]

p. p. & a. 1. Eaten away; gnawed; irregular, as if eaten or worn away. [ 1913 Webster ]

2. (Bot.) Having the edge worn away so as to be jagged or irregularly toothed. [ 1913 Webster ]

n. [ L. erodens, -entis, p. pr. of erodere. See Erode. ] (Med.) A medicine which eats away extraneous growths; a caustic. [ 1913 Webster ]

prop. n. (Jewish Hist.) One of a party among the Jews, composed of partisans of Herod of Galilee. They joined with the Pharisees against Christ. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. 'erwdio`s a heron. ] (Zool.) A division of wading birds, including the herons, storks, and allied forms. Called also Herodii. -- He*ro`di*o"nine a. [1913 Webster]

a. (Zool.) Heterodactylous. -- n. One of the Heterodactylæ. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; other + &unr_; a finger. ] (Zool.) A group of birds including the trogons. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; a toe. ] (Zool.) Having the first and second toes turned backward, as in the trogons. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_;, &unr_; a tooth. ] (Anat.) Having the teeth differentiated into incisors, canines, and molars, as in man; -- opposed to homodont. [ 1913 Webster ]

n. (Zool.) Any animal with heterodont dentition. [ 1913 Webster ]

a. [ Gr. &unr_;; &unr_; other + &unr_; opinion; cf. F. hétérodoxe. ] 1. Contrary to, or differing from, some acknowledged standard, as the Bible, the creed of a church, the decree of a council, and the like; not orthodox; heretical; -- said of opinions, doctrines, books, etc., esp. upon theological subjects. [ 1913 Webster ]

Raw and indigested, heterodox, preaching. Strype. [ 1913 Webster ]

2. Holding heterodox opinions, or doctrines not orthodox; heretical; -- said of persons. Macaulay.

-- Het"er*o*dox`ly, adv. -- Het"er*o*dox`ness, n. [ 1913 Webster ]

n. An opinion opposed to some accepted standard. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

a. Not orthodox. Howell. [ 1913 Webster ]

n. [ Gr. &unr_;: cf. F. hétérodoxie. ] An opinion or doctrine, or a system of doctrines, contrary to some established standard of faith, as the Scriptures, the creed or standards of a church, etc.; heresy. Bp. Bull. [ 1913 Webster ]

a. [ Hetero- + Gr. &unr_; to run. ] 1. (Bot.) Having spirals of changing direction. Gray. [ 1913 Webster ]

2. (Mech.) Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis. [ 1913 Webster ]

prop. n. A natural family of cetaceans comprising the beaked whales; in some, especially former, classifications it included in the family Physeteridae.
Syn. -- Ziphiidae, family Ziphiidae, family Hyperodontidae. [ WordNet 1.5 ]

{ ‖‖ } n. [ NL., fr. Gr. ma`chaira dagger + 'odoy`s tooth. ] (Paleon.) A genus of extinct mammals allied to the cats, and having in the upper jaw canine teeth of remarkable size and strength; -- hence called saber-toothed tigers. [ 1913 Webster ]

prop. n. pl. An older division of the suborder Ophidia of serpents; it includes those snakes in which the mouth is not dilatable. [ PJC ]

v. t. To surpass (Herod) in violence or wickedness; to exceed in any vicious or offensive particular. Compare outpope the Pope. “It out-Herods Herod.” Shak. [ 1913 Webster ]

Out-Heroding the preposterous fashions of the times. Sir W. Scott. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. fanero`s evident + da`ktylos finger. ] (Zool.) Same as Saururæ. [ 1913 Webster ]

n. [ Gr. &unr_; a wing + &unr_; finger, toe: cf. F. ptérodactyle. ] (Paleon.) An extinct flying reptile; one of the Pterosauria. See Illustration in Appendix. [ 1913 Webster ]

‖n. pl. [ NL. ] (Paleon.) Same as Pterosauria. [ 1913 Webster ]

n. [ Gr. sklhro`s hard + de`rma skin: cf. F. scléroderme. ] (a) (Zool.) One of a tribe of plectognath fishes (Sclerodermi) having the skin covered with hard scales, or plates, as the cowfish and the trunkfish. (b) One of the Sclerodermata. (c) Hardened, or bony, integument of various animals. [ 1913 Webster ]

‖n. [ NL. ] (Med.) A disease of adults, characterized by a diffuse rigidity and hardness of the skin. [ 1913 Webster ]

‖n. pl. [ NL. ] (Zool.) The stony corals; the Madreporaria. [ 1913 Webster ]

n. (Zool.) (a) The hard integument of Crustacea. (b) Sclerenchyma. [ 1913 Webster ]

{ } (Zool.) (a) Having the integument, or skin, hard, or covered with hard plates. (b) Of or pertaining to the Sclerodermata. [ 1913 Webster ]

‖n. [ NL., fr. Gr. xhro`s dry + de`rma skin. ] (Med.) (a) Ichthyosis. (b) A skin disease characterized by the presence of numerous small pigmented spots resembling freckles, with which are subsequently mingled spots of atrophied skin. [ 1913 Webster ]