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单词 spring-jack
释义

spring-jackn.

Brit. /ˈsprɪŋdʒak/, U.S. /ˈsprɪŋˌdʒæk/
Origin: Formed within English, by compounding. Etymons: spring n.1, Jack n.2; spring v.1, Jack n.2
Etymology: Partly < spring n.1 + Jack n.2, and partly < spring v.1 + Jack n.2 With sense 2 compare earlier skipjack n. 5, and also springing beetle n. at springing adj. Compounds, spring beetle n.1
1. A jack (Jack n.2, in various senses) that operates by means of or is equipped with a spring or springs.
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society > occupation and work > equipment > lifting or hoisting equipment > [noun] > jacks
screw1404
scalet1640
German devil1670
Jack1679
screw jack1719
spring-jack1724
jackscrew?1735
crick1775
fence-jack1874
swing-jack1875
wagon-jack1875
windlass-jack1875
truck-jack1877
setter1895
1724 C. Morris Diary 30 Oct. (1934) 112 John Bird fitted a Sprin [g] -Jack for my Harpsichord.
1794 W. Felton Treat. Carriages I. 94 Spring Jack. Fig. 11. This is a small engine fixed to the bottom of the spring... Its use is to heighten or lower the body.
1794 W. Felton Treat. Carriages I. 94 Spring Jack. Fig. 11. This is a small engine fixed to the bottom of the spring... Its use is to heighten or lower the body.
1845 J. Bregion & A. Miller Pract. Cook 8 There is also a convenient and cheap apparatus for roasting, combining a screen or reflector, with a dripping-pan, hot-closet underneath for plates and dishes, having a spring jack which roasts horizontally.
1885 U.S. Patent 321,390 A 1/2 Switches of this character designed for use upon telephone switch-boards are now generally called ‘spring-jack switches’, or, briefly, ‘jacks’.
1937 Pop. Mech. Apr. 639/2 For holding an oil pan in place while starting the bolts, this spring jack is handy.
2013 U.S. Patent Applic. 2013/0217280 A1 1/2 Hydraulic circuit A is used..to control spring jack operation via hydraulic actuators.
2. A beetle belonging to the family Elateridae; a click beetle (click beetle n. at click n.1 and int. Compounds 3a). Now rare.
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1836 C. F. Partington Brit. Cycl. Nat. Hist. II. 396/1 These insects have obtained the name of skip, or spring-jacks.
1892 Culture Veg. & Flowers (Sutton & Sons) (ed. 5) 395 There are fully a dozen species of beetles, the larvæ of which are known as ‘Wireworms,’ and of these the ‘Spring-Jacks’ and ‘Click-Beetles’ and ‘Blacksmiths’..are the most prevalent.
1957 D. Dewar Transformist Illusion xviii. 249 Another example is the jumping apparatus of the click-beetle or spring-jack Agriotes.
This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022).
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更新时间:2025/3/21 17:07:27