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单词 ball and socket
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ball and socket
ball and socket n. (also ball-and-socket joint) a joint formed of a ball or rounded extremity partly enclosed in a cup or socket, which thus has great freedom of play combined with strength; (Anatomy) = enarthrosis n.In quot. 1863 figurative.
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the world > life > the body > structural parts > joint > types of joint > [noun]
seamc1050
commissure?a1425
arthrodia1565
commissary1577
gomphosis1578
inarticulation1578
suture1578
symphysis1578
synarthrosis1578
adarticulation1615
harmony1615
synchondrosis1615
enarthrosis1634
harmonia1657
mortise-articulation1658
ball and socket1664
synneurosis1676
syssarcosis1676
ginglymus1678
syndesmosis1726
ginglymus1733
hinge-joint1802
screw-joint1810
schindylesis1830
amphiarthrosis1835
pivot joint1848
synosteosis1848
synostosis1848
indigitation1849
screwed-surfaced joint1875
thorough-joint1889
1661 J. Brown Descr. & Use Joynt-rule xvi. 86 If the Sector be fitted with a staff, and a ball-socket, you may turn it either horizontal, or perpendicular, and so take any Angle with it, very conveniently and readily.]
1664 R. Hooke Let. 21 Oct. in R. T. Gunther Early Sci. in Oxf. (1930) VI. 206 I have not been able to send down the ball and socket you desired.
1741 A. Monro Anat. Human Bones (ed. 3) 42 Enarthrosis, or the Ball and Socket..when a large Head is received into a deep Cavity.
1809 Philos. Trans. (Royal Soc.) 99 182 There is a regular ball and socket joint between every two vertebræ.
1863 C. C. Clarke Shakespeare-characters 159 By..impenetrable assurance, and a ball-and-socket morality.
1919 L. H. Morrison Oil Engines xxiii. 407 Primm Oil Engine Fuel Nozzle... The Primm makes use of a yoke connection which admits the fuel into the nozzle at one side, the junction being a ball and socket joint.
1971 C. Bonington Annapurna South Face App. F. 286 A special clamp to fit on the head of an ice axe with a ball-and-socket attachment for the camera.
2000 Rosemary Conley Diet & Fitness Oct. 101/2 Instead of having smooth, well-formed ball and socket joints between the femur and pelvis, dysplastic dogs have malformed joints.
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