| bow | 1. To cause to deviate from straightness; to bend; to inflect; to make crooked or curved. "We bow things the contrary way, to make them come to their natural straightness." (Milton) "The whole nation bowed their necks to the worst kind of tyranny." (Prescott) 2. To exercise powerful or controlling influence over; to bend, figuratively; to turn; to incline. "Adversities do more bow men's minds to religion." (Bacon) "Not to bow and bias their opinions." (Fuller) 3. To bend or incline, as the head or body, in token of respect, gratitude, assent, homage, or condescension. "They came to meet him, and bowed themselves to the ground before him." (2 Kings II. 15) 4. To cause to bend down; to prostrate; to depress,; to crush; to subdue. "Whose heavy hand hath bowed you to the grave." (Shak) 5. To express by bowing; as, to bow one's thanks. Origin: OE. Bowen, bogen, bugen, AS. Bugan (generally v.i); akin to D. Buigen, OHG. Biogan, G. Biegen, beugen, Icel. Boginn bent, beygja to bend, Sw. Boja, Dan. Boie, bugne, Coth. Biugan; also to L. Fugere to flee, Gr, and Skr. Bhuj to bend. Cf. Fugitive. 1. Anything bent, or in the form of a curve, as the rainbow. "I do set my bow in the cloud." (Gen. Ix. 13) 2. A weapon made of a strip of wood, or other elastic material, with a cord connecting the two ends, by means of which an arrow is propelled. 3. An ornamental knot, with projecting lops, formed by doubling a ribbon or string. 4. The U-shaped piece which embraces the neck of an ox and fastens it to the yoke. 5. An appliance consisting of an elastic rod, with a number of horse hairs stretched from end to end of it, used in playing on a stringed instrument. 6. An acrograph. 7. <mechanics> Any instrument consisting of an elastic rod, with ends connected by a string, employed for giving reciprocating motion to a drill, or for preparing and arranging the hair, fur, etc, used by hatters. 8. A rude sort of quadrant formerly used for taking the sun's altitude at sea. 9. Two pieces of wood which form the arched forward part of a saddletree. Bow bearer See Bay window. To draw a long bow, to lie; to exaggerate. Origin: OE. Bowe, boge, AS. Boga, fr. AS. Bugan to bend; akin to D. Boog, G. Bogen, Icel. Bogi. See Bow. Source: Websters Dictionary (01 Mar 1998) |
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| bow-compass | 1. An arcograph. 2. A small pair of compasses, one leg of which carries a pencil, or a pen, for drawing circles. Its legs are often connected by a bow-shaped spring, instead of by a joint. 3. A pair of compasses, with a bow or arched plate riveted to one of the legs, and passing through the other. Source: Websters Dictionary (01 Mar 1998) |
| bow-leg | A deformity marked by medial angulation of the leg in relation to the thigh; an outward bowing of the legs. Synonym: bandy-leg, bowleg, bow-leg, tibia vara. (05 Mar 2000) |
| hinge-bow | <dentistry, equipment> A wire caliper-like device used to record the relationship of the jaws to the temporomandibular joints. The resulting record can then be used to create a cast or model of the maxilla to the opening and closing axis of the articulator. They consists of two metal parts attached together. The inner part is shaped like a horseshoe and is inserted in the mouth and connects to the buccal tubes. The outer part has two curves which go around the face, and connect to the headgear. An elastic neck band is placed around the back of the neck and attaches to the outer bow of the headgear. Completing the apparatus is a plastic safety strap that is placed over the neck band and onto the outer bow of the headgear. Synonym: hinge-bow, kinematic face-bow. (21 Jun 2000) |
| face-bow | <dentistry, equipment> A wire caliper-like device used to record the relationship of the jaws to the temporomandibular joints. The resulting record can then be used to create a cast or model of the maxilla to the opening and closing axis of the articulator. They consists of two metal parts attached together. The inner part is shaped like a horseshoe and is inserted in the mouth and connects to the buccal tubes. The outer part has two curves which go around the face, and connect to the headgear. An elastic neck band is placed around the back of the neck and attaches to the outer bow of the headgear. Completing the apparatus is a plastic safety strap that is placed over the neck band and onto the outer bow of the headgear. Synonym: hinge-bow, kinematic face-bow. (21 Jun 2000) |
| face-bow fork | <dentistry> That part of the face-bow assemblage used to attach the maxillary trial base to the face-bow proper. Synonym: bite fork. (05 Mar 2000) |
| face-bow record | <dentistry> A registration utilizing a face-bow of the position of the hinge axis and/or the condyles; the face-bow record is used to orient the maxillary cast to the opening and closing axis of the articulator. (05 Mar 2000) |
| kinematic face-bow | adjustable axis face-bow |
| Russian spring-summer encephalitis virus | An arbovirus of the genus Flavivirus that occurs in Central Europe and the USSR in two subtypes, causing two forms of encephalitis in humans: tick-borne encephalitis (Central European subtype) and tick-borne encephalitis (Eastern subtype); the vectors are ticks of the genus Ixodes. Synonym: Russian spring-summer encephalitis virus, tick-borne virus. (05 Mar 2000) |
| haemoglobin Constant Spring | An abnormal haemoglobin having an extended polypeptide chain (31 additional amino acid residues) on the a chain (thus, the a chain is 172 amino acids long); approximately 20% of the individuals with Hb H disease also have this defect. (05 Mar 2000) |
| spring | 1. To leap; to bound; to jump. "The mountain stag that springs From height to height, and bounds along the plains." (Philips) 2. To issue with speed and violence; to move with activity; to dart; to shoot. "And sudden light Sprung through the vaulted roof." (Dryden) 3. To start or rise suddenly, as from a covert. "Watchful as fowlers when their game will spring." (Otway) 4. To fly back; as, a bow, when bent, springs back by its elastic power. 5. To bend from a straight direction or plane surface; to become warped; as, a piece of timber, or a plank, sometimes springs in seasoning. 6. To shoot up, out, or forth; to come to the light; to begin to appear; to emerge; as a plant from its seed, as streams from their source, and the like; -often followed by up, forth, or out. "Till well nigh the day began to spring." (Chaucer) "To satisfy the desolate and waste ground, and to cause the bud of the tender herb to spring forth." (Job xxxviii. 27) "Do not blast my springing hopes." (Rowe) "O, spring to light; auspicious Babe, be born." (Pope) 7. To issue or proceed, as from a parent or ancestor; to result, as from a cause, motive, reason, or principle. "[They found] new hope to spring Out of despair, joy, but with fear yet linked." (Milton) 8. To grow; to prosper. "What makes all this, but Jupiter the king, at whose command we perish, and we spring?" (Dryden) To spring at, to leap toward; to attempt to reach by a leap. To spring forth, to leap out; to rush out. To spring in, to rush in; to enter with a leap or in haste. To spring on or upon, to leap on; to rush on with haste or violence; to assault. Origin: AS. Springan; akin to D. & G. Springen, OS. & OHG. Springan, Icel. & Sw. Springa, Dan. Springe; cf. Gr. To hasten. Cf. Springe, Sprinkle. 1. To cause to spring up; to start or rouse, as game; to cause to rise from the earth, or from a covert; as, to spring a pheasant. 2. To produce or disclose suddenly or unexpectedly. "She starts, and leaves her bed, amd springs a light." (Dryden) "The friends to the cause sprang a new project." (Swift) 3. To cause to explode; as, to spring a mine. 4. To crack or split; to bend or strain so as to weaken; as, to spring a mast or a yard. 5. To cause to close suddenly, as the parts of a trap operated by a spring; as, to spring a trap. 6. To bend by force, as something stiff or strong; to force or put by bending, as a beam into its sockets, and allowing it to straighten when in place; often with in, out, etc.; as, to spring in a slat or a bar. 7. To pass over by leaping; as, to spring a fence. To spring a butt, to strain it so that it is unserviceable. 1. A leap; a bound; a jump. "The prisoner, with a spring, from prison broke." (Dryden) 2. A flying back; the resilience of a body recovering its former state by elasticity; as, the spring of a bow. 3. Elastic power or force. "Heavens! what a spring was in his arm!" (Dryden) 4. An elastic body of any kind, as steel, India rubber, tough wood, or compressed air, used for various mechanical purposes, as receiving and imparting power, diminishing concussion, regulating motion, measuring weight or other force. The principal varieties of springs used in mechanisms are the spiral spring (Fig. A), the coil spring (Fig. B), the elliptic spring (Fig. C), the half-elliptic spring (Fig. D), the volute spring, the India-rubber spring, the atmospheric spring, etc. 5. Any source of supply; especially, the source from which a stream proceeds; as issue of water from the earth; a natural fountain. "All my springs are in thee." "A secret spring of spiritual joy." "The sacred spring whence and honor streams." 6. Any active power; that by which action, or motion, is produced or propagated; cause; origin; motive. "Our author shuns by vulgar springs to move The hero's glory, or the virgin's love." (Pope) 7. That which springs, or is originated, from a source; as: A race; lineage. A youth; a springal. A shoot; a plant; a young tree; also, a grove of trees; woodland. 8. That which causes one to spring; specifically, a lively tune. 9. The season of the year when plants begin to vegetate and grow; the vernal season, usually comprehending the months of March, April, and May, in the middle latitudes north of the equator. "The green lap of the new-come spring." Spring of the astronomical year begins with the vernal equinox, about March 21st, and ends with the summer solstice, about June 21st. 10. The time of growth and progress; early portion; first stage. "The spring of the day." "O how this spring of love resembleth The uncertain glory of an April day." (Shak) 11. A crack or fissure in a mast or yard, running obliquely or transversely. A line led from a vessel's quarter to her cable so that by tightening or slacking it she can be made to lie in any desired position; a line led diagonally from the bow or stern of a vessel to some point upon the wharf to which she is moored. Air spring, Boiling spring, etc. See Air, Boiling, etc. Spring back, a back with a curved piece of thin sheet iron or of stiff pasteboard fastened to the inside, the effect of which is to make the leaves of a book thus bound (as a ledger or other account or blank book) spring up and lie flat. Spring balance, a contrivance for measuring weight or force by the elasticity of a spiral spring of steel. Spring beam, a beam that supports the side of a paddle box. See Paddle beam, under Paddle, Spring beauty. <botany> See Springing line of an arch, under Springing. Spring of pork, the lower part of a fore quarter, which is divided from the neck, and has the leg and foot without the shoulder. "Sir, pray hand the spring of pork to me. <engineering>" (Gayton) Spring pin, an iron rod fitted between the springs and the axle boxes, to sustain and regulate the pressure on the axles. Spring rye, a kind of rye sown in the spring; in distinction from winter rye, sown in autumn. Spring stay, a preventer stay, to assist the regular one. Spring tide, the tide which happens at, or soon after, the new and the full moon, and which rises higher than common tides. See Tide. Spring wagon, a wagon in which springs are interposed between the body and the axles to form elastic supports. Spring wheat, any kind of wheat sown in the spring; in distinction from winter wheat, which is sown in autumn. Origin: AS. Spring a fountain, a leap. See Spring. Source: Websters Dictionary (01 Mar 1998) |
| spring conjunctivitis | A chronic, bilateral conjunctival inflammation with photophobia and intense itching that recurs seasonally during warm weather; characterised in the palpebral form by cobblestone papillae in the upper palpebral conjunctiva and in the bulbar form by gelatinous nodules adjacent to the corneoscleral limbus. Synonym: allergic conjunctivitis, spring conjunctivitis, spring ophthalmia, vernal catarrh, vernal keratoconjunctivitis. (05 Mar 2000) |
| spring finger | An affection in which the movement of the finger is arrested for a moment in flexion or extension and then continues with a jerk. Synonym: jerk finger, lock finger, snap finger, spring finger, stuck finger. (05 Mar 2000) |
| spring lancet | A lancet with a handle containing a blade that is activated by a spring. (05 Mar 2000) |
| spring ligament | <anatomy> A dense fibroelastic ligament that extends from the sustentaculum tali to the plantar surface of the navicular bone; it supports the head of the talus. Synonym: ligamentum calcaneonaviculare plantare, inferior calcaneonavicular ligament, spring ligament. (05 Mar 2000) |