English Dictionary: safety lamp | by the DICT Development Group |
3 results for safety lamp | |
From WordNet (r) 3.0 (2006) [wn]: | |
| |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
2. Figuratively, anything which enlightens intellectually or morally; anything regarded metaphorically a performing the uses of a lamp. Thy word is a lamp unto my feet, and a light unto my path. --Ps. cxix. 105. Ages elapsed ere Homer's lamp appeared. --Cowper. 3. (Elec.) A device or mechanism for producing light by electricity. See {Incandescent lamp}, under {Incandescent}. {[92]olipile lamp}, a hollow ball of copper containing alcohol which is converted into vapor by a lamp beneath, so as to make a powerful blowpipe flame when the vapor is ignited. --Weale. {Arc lamp} (Elec.), a form of lamp in which the voltaic arc is used as the source of light. {D[89]bereiner's lamp}, an apparatus for the instantaneous production of a flame by the spontaneous ignition of a jet of hydrogen on being led over platinum sponge; -- named after the German chemist D[94]bereiner, who invented it. Called also {philosopher's lamp}. {Flameless lamp}, an aphlogistic lamp. {Lamp burner}, the part of a lamp where the wick is exposed and ignited. --Knight. {Lamp fount}, a reservoir for oil, in a lamp. {Lamp jack}. See 2d {Jack}, n., 4 (l) & (n) . {Lamp shade}, a screen, as of paper, glass, or tin, for softening or obstructing the light of a lamp. {Lamp shell} (Zo[94]l.), any brachiopod shell of the genus Terebratula and allied genera. The name refers to the shape, which is like that of an antique lamp. See {Terebratula}. {Safety lamp}, a miner's lamp in which the flame is surrounded by fine wire gauze, preventing the kindling of dangerous explosive gases; -- called also, from Sir Humphry Davy the inventor, {Davy lamp}. {To smell of the lamp}, to bear marks of great study and labor, as a literary composition. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Safety \Safe"ty\, n. [Cf. F. sauvet[82].] 1. The condition or state of being safe; freedom from danger or hazard; exemption from hurt, injury, or loss. Up led by thee, Into the heaven I have presumed, An earthly guest . . . With like safety guided down, Return me to my native element. --Milton. 2. Freedom from whatever exposes one to danger or from liability to cause danger or harm; safeness; hence, the quality of making safe or secure, or of giving confidence, justifying trust, insuring against harm or loss, etc. Would there were any safety in thy sex, That I might put a thousand sorrows off, And credit thy repentance! --Beau. & Fl. 3. Preservation from escape; close custody. Imprison him, . . . Deliver him to safety; and return. --Shak. 4. (Football) Same as Safety touchdown, below. {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}. |