Free TranslationFree Translation
Synonyms, antonyms, pronunciation

  Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




Safety valve   /sˈeɪfti vælv/   Listen
noun
Safety chain  n.  
1.
(Railroads) A normally slack chain for preventing excessive movement between a truck and a car body in sluing.
2.
An auxiliary watch chain, secured to the clothes, usually out of sight, to prevent stealing of the watch.
3.
A chain of sheet metal links with an elongated hole through each broad end, made up by doubling the first link on itself, slipping the next link through and doubling, and so on.
Safety arch (Arch.), a discharging arch. See under Discharge, v. t.
Safety belt, a belt made of some buoyant material, or which is capable of being inflated, so as to enable a person to float in water; a life preserver.
Safety buoy, a buoy to enable a person to float in water; a safety belt.
Safety cage (Mach.), a cage for an elevator or mine lift, having appliances to prevent it from dropping if the lifting rope should break.
Safety lamp. (Mining) See under Lamp.
Safety match, a match which can be ignited only on a surface specially prepared for the purpose.
Safety pin, a pin made in the form of a clasp, with a guard covering its point so that it will not prick the wearer.
Safety plug. See Fusible plug, under Fusible.
Safety switch. See Switch.
Safety touchdown (Football), the act or result of a player's touching to the ground behind his own goal line a ball which received its last impulse from a man on his own side; distinguished from touchback. See Touchdown. Same as safety
Safety tube (Chem.), a tube to prevent explosion, or to control delivery of gases by an automatic valvular connection with the outer air; especially, a bent funnel tube with bulbs for adding those reagents which produce unpleasant fumes or violent effervescence.
Safety valve, a valve which is held shut by a spring or weight and opens automatically to permit the escape of steam, or confined gas, water, etc., from a boiler, or other vessel, when the pressure becomes too great for safety; also, sometimes, a similar valve opening inward to admit air to a vessel in which the pressure is less than that of the atmosphere, to prevent collapse.






Collaborative International Dictionary of English 0.48








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |





"Safety valve" Quotes from Famous Books



... breeding of children? The race, the race! shouts the king, the president, the capitalist, the priest. The race must be preserved, though woman be degraded to a mere machine,—and the marriage institution is our only safety valve against the pernicious sex awakening of woman. But in vain these frantic efforts to maintain a state of bondage. In vain, too, the edicts of the Church, the mad attacks of rulers, in vain even the arm of the law. Woman no longer wants to be a party to the production of a race of sickly, ...
— Anarchism and Other Essays • Emma Goldman

... sibilance, sibilation; zip; hiss &c. v.; sternutation; high note &c. 410. [animals that hiss] goose, serpent, snake (animal sounds) 412. [animals that buzz] insect, bug; bee, mosquito, wasp, fly. [inanimate things that hiss] tea kettle, pressure cooker; air valve, pressure release valve, safety valve, tires, air escaping from tires, punctured tire; escaping steam, steam, steam radiator, steam release valve. V. hiss, buzz, whiz, rustle; fizz, fizzle; wheeze, whistle, snuffle; squash; sneeze; sizzle, swish. Adj. sibilant; hissing ...
— Roget's Thesaurus

... safety valve scale was changed forward to a point over barrel of boiler, the secret valve ...
— Scientific American Supplement, No. 832, December 12, 1891 • Various

... the possibilities of colonization in the West Indies. He felt that because Santo Domingo had become an independent Negro republic it would offer a solution of the problem as to where the Negroes should be colonized. In this way these islands would become a sort of safety valve for the United States. He became more and more convinced that all the West Indies would remain in the hands of the people of color, and a total expulsion of the whites sooner or later would take place. It was ...
— A Century of Negro Migration • Carter G. Woodson

... but for the sharp economy of the Greek steamship company, would have been out already. The chief engineer, when he found that the engines at ordinary pressure did not keep the steamer from, going astern, had tied the safety valve down and made all the steam the furnaces would make. "If we don't go ahead we are done for just as much as if we blow up," said he; "for if we touch those rocks not a soul of us can escape, and we shall touch them if we drift, just as surely ...
— The Autobiography of a Journalist, Volume II • William James Stillman

... bunkum, or it may be God's truth—I don't know. I've never been in love and nobody ever wasted an ounce of affection on me," replied Redmayne. "But you've heard me now. You can sit on the safety valve for six months anyway; and it will probably pay you best to do so; for one thing's certain: Jenny won't love you any better for ...
— The Red Redmaynes • Eden Phillpotts

... attention "to the value of an occasional convulsion in certain cases. In some patients the fit acts as a safety valve that unquestionably permits escape from insanity. . . In many cases the convulsion seems t o come as the termination of an obscure (auto-toxic) cycle which varies in duration in different individuals and bears some relationship to the ascending period of the folie circulaire ...
— The Journal of Abnormal Psychology - Volume 10

... certainly performed many cures; yet, when compared to the mechanical mixture and under the direct control of the will, at all times and seasons, there is no danger from excessive oxygenation as while oxygen is given. When every patient can be taught to rely upon this great safety valve of nature, there will be less need for medication, and the longevity of our race be increased with but little dread by mankind for that terrible monster consumption, which seems to have ...
— Scientific American Supplement No. 275 • Various

... for the generation of the steam, provided with a safety valve (an invention of Papin). On opening the stopcock, C, the steam passes through B into the cylinder, D, and by its expansion drives the plunger, E, against the water contained in the cylinder, D, which is thus ...
— Scientific American, Volume XXXVI., No. 8, February 24, 1877 • Various



Copyright © 2025 e-Free Translation.com