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单词 odd-leg
释义

odd-legadj.n.

Brit. /ˈɒdlɛɡ/, U.S. /ˈɑdˈlɛɡ/
Origin: Formed within English, by compounding. Etymons: odd adj., leg n.
Etymology: < odd adj. + leg n.
Designating a pair of compasses or callipers having one of the two legs bowed or bent; usually as odd-leg callipers. Also used as n., in plural: = jenny n. 6.
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the world > relative properties > measurement > measuring instrument > [noun] > for measuring distances > compasses, dividers, or callipers
compassa1387
proportional compass1570
callipers1571
calliper compass1581
triangular compasses1701
dividers1703
cannipers1707
hair-compasses1728
bow-compass1796
outside calliper1874
wing-compass1875
moff1885
odd-leg1900
1900 N.E.D. at Jenny Also called oddlegs or moffs.
1902 P. Marshall Metal Working Tools 12 A useful form of calipers for marking off..is known by various names, such as ‘odd-leg calipers’, ‘scribing calipers’, ‘hermaphrodite calipers’, ‘mophs’, or ‘jennies’.
1964 S. Crawford Basic Engin. Processes (1969) i. 35 The jenny or odd-leg callipers are used to scribe arcs.
1988 D. Rees Craft, Design & Technol. (1989) xi. 102 (table) Work to be done: Marking out on metal. Hand tools needed: Engineers blue..oddleg calipers.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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adj.n.1900
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更新时间:2024/12/22 21:01:15