Drager respirometer |
An inferential meter to measure tidal and minute volume from the number of revolutions of a vane rotated by the gas stream as the latter passes through two lightweight lozenge-shaped meshing rotors. (05 Mar 2000) |
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Drager, Glenn |
<person> U.S. Neurologist, *1917. See: Shy-Drager syndrome. (05 Mar 2000) |
Drager, Heinrich |
<person> German manufacturer of industrial and diving respiratory apparatus, *1898. See: Drager respirometer. (05 Mar 2000) |
dragman |
A fisherman who uses a dragnet. Source: Websters Dictionary (01 Mar 1998) |
dragnet |
A net to be drawn along the bottom of a body of water, as in fishing. Origin: Cf. AS. Draegnet. Source: Websters Dictionary (01 Mar 1998) |
dragoman |
Origin: From F. Dragoman, or Sp. Dragoman, or It. Dragomanno; all fr. LGr, Ar. Tarjuman, from the same source as E. Targum. Cf. Drogman, Truchman. An interpreter; so called in the Levant and other parts of the East. Source: Websters Dictionary (01 Mar 1998) |
dragon |
1. A fabulous animal, generally represented as a monstrous winged serpent or lizard, with a crested head and enormous claws, and regarded as very powerful and ferocious. "The dragons which appear in early paintings and sculptures are invariably representations of a winged crocodile." (Fairholt) In Scripture the term dragon refers to any great monster, whether of the land or sea, usually to some kind of serpent or reptile, sometimes to land serpents of a powerful and deadly kind. It is also applied metaphorically to Satan. "Thou breakest the heads of the dragons in the waters." (Ps. Lxxiv. 13) "Thou shalt tread upon the lion and adder; the young lion and the dragon shalt thou trample under feet." (Ps. Xci. 13) "He laid hold on the dragon, that old serpent, which is the Devil and Satan, and bound him a thousand years." (Rev. Xx. 2) 2. A fierce, violent person, especially. A woman. 3. <astronomy> A constellation of the northern hemisphere figured as a dragon; Draco. 4. A luminous exhalation from marshy grounds, seeming to move through the air as a winged serpent. 5. A short musket hooked to a swivel attached to a soldier's belt; so called from a representation of a dragon's head at the muzzle. 6. <zoology> A small arboreal lizard of the genus Draco, of several species, found in the East Indies and Southern Asia. Five or six of the hind ribs, on each side, are prolonged and covered with weblike skin, forming a sort of wing. These prolongations aid them in making long leaps from tree to tree. Called also flying lizard. 7. <zoology> A variety of carrier pigeon. 8. A fabulous winged creature, sometimes borne as a charge in a coat of arms. Dragon is often used adjectively, or in combination, in the sense of relating to, resembling, or characteristic of, a dragon. <botany> Dragon arum, a West African liliaceous tree (Dracaena Draco), yielding one of the resins called dragon's blood. See Dracaena. Dragon water, a medicinal remedy very popular in the earlier half of the 17th century. "Dragon water may do good upon him." . Flying dragon, a large meteoric fireball; a bolide. Origin: F. Dragon, L. Draco, fr. Gr, prob. Fr, to look (akin to Skr. Dar to see), and so called from its terrible eyes. Cf. Drake a dragon, Dragoon. Source: Websters Dictionary (01 Mar 1998) |
dragon's blood |
Source: Websters Dictionary (01 Mar 1998) |
dragon's tail |
See Dragon's blood, Dragon's head, etc, under Dragon. Source: Websters Dictionary (01 Mar 1998) |
dragonet |
1. A little dragon. 2. <zoology> A small British marine fish (Callionymuslyra); called also yellow sculpin, fox, and gowdie. Source: Websters Dictionary (01 Mar 1998) |
dragoon |
1. Formerly, a soldier who was taught and armed to serve either on horseback or on foot; now, a mounted soldier; a cavalry man. 2. A variety of pigeon. <zoology> Dragoon bird, the umbrella bird. Origin: F. Dragon dragon, dragoon, fr. L. Draco dragon, also, a cohort's standard (with a dragon on it). The name was given from the sense standard. See Dragon. Source: Websters Dictionary (01 Mar 1998) |
drain |
1. To draw off fluid from a cavity as it forms. 2. A device, usually in the shape of a tube or wick, for removing fluid as it collects in a cavity, especially a wound cavity. Origin: A. S. Drehnian, to draw off (05 Mar 2000) |
drain-trap stomach |
water-trap stomach |
drainage |
<surgery> The systematic withdrawal of fluids and discharges from a wound, sore or cavity. (18 Nov 1997) |
drainage tube |
A tube introduced into a wound or cavity to facilitate removal of a fluid. (05 Mar 2000) |