-
1 spiral
I 1. ['spaɪərəl]1) (shape) spirale f. (anche mat. aer.)in a spiral — [object, spring] a spirale
2) (trend) spirale f.2.downward, upward spiral — discesa, salita a spirale
modificatore [motif, structure, spring] a spiraleII ['spaɪərəl]1) econ. [costs, interest rates] crescere, aumentare vertiginosamenteto spiral up(wards), down(wards) — salire, scendere a spirale
* * *1. adjective1) (coiled round like a spring, with each coil the same size as the one below: a spiral staircase.) a spirale2) (winding round and round, usually tapering to a point: a spiral shell.) a spirale2. noun1) (an increase or decrease, or rise or fall, becoming more and more rapid (eg in prices).) spirale2) (a spiral line or object: A spiral of smoke rose from the chimney.) spirale3. verb(to go or move in a spiral, especially to increase more and more rapidly: Prices have spiralled in the last six months.) (muoversi a spirale) aumentare- spirally* * *spiral /ˈspaɪərəl/A a.1 spirale; a spirale; a spire: a spiral spring, una molla a spirale; (astron.) spiral nebula, nebulosa a spirale2 spiroidale; spiroide3 (mecc.) elicoidale; a dentatura elicoidale: spiral chute, scivolo elicoidale; spiral gear, ingranaggio a dentatura elicoidaleB n.1 (geom.) spirale; spira; elica2 (fig.: econ., ecc.) spirale: inflationary spiral, spirale inflazionistica; the vicious spiral of war, la rovinosa spirale della guerra● spiral balance, bilancia a molla □ (edil.) a spiral staircase, una scala a chiocciola □ (zool.) spiral valve, valvola spirale.(to) spiral /ˈspaɪərəl/A v. i.B v. t.● (econ.: di prezzi, salari, ecc.) to spiral downward [upward], calare rapidamente [aumentare vertiginosamente].* * *I 1. ['spaɪərəl]1) (shape) spirale f. (anche mat. aer.)in a spiral — [object, spring] a spirale
2) (trend) spirale f.2.downward, upward spiral — discesa, salita a spirale
modificatore [motif, structure, spring] a spiraleII ['spaɪərəl]1) econ. [costs, interest rates] crescere, aumentare vertiginosamenteto spiral up(wards), down(wards) — salire, scendere a spirale
См. также в других словарях:
Aortic valve stenosis — Classification and external resources ICD 10 I35.0, I06.0, Q23.0 … Wikipedia
Continuous variable valve timing — offers a unique ability to have independent control of the intake and exhaust valves in an internal combustion engine. For any engine load criteria, the timing of intake and exhaust can be independently programmed [1]. The main variations of… … Wikipedia
Desmodromic valve — In general mechanical terms, the word desmodromic is used to refer to mechanisms that have different controls for their actuation in different directions. Desmodromic poppet valve in Ducati engine. A desmodromic valve is a reciprocating engine… … Wikipedia
Mitral valve prolapse — Mitral valve prolapses Classification and external resources In mitral valve prolapse, the leaflets of the mitral valve prolapse back into the left atrium. ICD 10 … Wikipedia
Relief valve — The relief valve is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow… … Wikipedia
Thermal expansion valve — A thermostatic expansion valve (often abbreviated as TXV or TX valve) is a component in refrigeration and air conditioning systems that controls the amount of superheat at the outlet of the evaporator. This is accomplished by use of a temperature … Wikipedia
Proportioning valve — A proportioning valve is a valve that relies on the laws of fluid pressure to distribute input forces to one or more output lines. A proportioning valve can increase or decrease forces for each output, depending on the cross sectional surface… … Wikipedia
ball-valve action — the intermittent obstruction caused by a free or partially attached foreign body in a tubular or cavitary structure, as by a foreign body in a bronchus, a stone in a bile duct, or a tumor in the cardiac atrium. Ball valve action. Calculi… … Medical dictionary
EAS Valve — The valve in an emission control system governing the airflow from the air pump in connection with the EAC valve. When its solenoid is energized, air is directed into the exhaust ports to increase oxidation and accelerate catalytic converter heat … Dictionary of automotive terms
vacuum retard delay valve — (VRDV) delays a decrease in vacuum at the distributor vacuum advance unit when the source vacuum decreases. Used to delay release of vacuum from a diaphragm a momentary vacuum trap … Dictionary of automotive terms
Mitral regurgitation — See also: aortic insufficiency and tricuspid insufficiency Mitral regurgitation Classification and external resources Mitral regurgitation (schematic drawing) During systole, contraction of the left … Wikipedia
