Hooken.
/hʊk/, U.S. /ˈhʊk/ Used, chiefly in the possessive, to designate Hooke's discoveries and inventions.
1.
a. Hooke's joint n. (also Hooke's universal joint) a kind of universal joint (see universal joint n. at universal adj., n., and adv. Compounds) for transmitting rotary motion from one shaft to another.
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society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > transmitters
carrier1733
pitman1813
driver1819
friction-cone1842
universal joint1856
cardan joint1868
reach rodc1871
Hooke coupling1883
friction-disc1888
impeller1890
transmission-gear1894
transmission1906
fluid flywheel1930
Hooke's joint1930
torque converter1934
fluid coupling1940
UJ1970
1825 ‘J. Nicholson’ Operative Mechanic 32 Hooke's universal joints are sometimes used to communicate motion obliquely.
1875 E. H. Knight Pract. Dict. Mech. Hooke's Joint.
1883 Encycl. Brit. XV. 761/2 Coupling of Intersecting Axes—Hooke's Universal Joint.—Intersecting axes are coupled by a contrivance of Hooke's, known as the ‘universal joint’, which belongs to the class of linkwork.
1887 Encycl. Brit. XXII. 516/2 The kinematic relations of the moving pieces in a Hooke's joint.
1930 Engineering 31 Jan. 134/1 A Hooke's joint is provided to allow for the vertical motion of the [gear] boxes.
b. Hooke coupling n. (also Hooke's coupling) = Hooke's joint n. at sense 1a.
ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > transmitters
carrier1733
pitman1813
driver1819
friction-cone1842
universal joint1856
cardan joint1868
reach rodc1871
Hooke coupling1883
friction-disc1888
impeller1890
transmission-gear1894
transmission1906
fluid flywheel1930
Hooke's joint1930
torque converter1934
fluid coupling1940
UJ1970
1883 Encycl. Brit. XV. 762/2 Two Hooke's couplings.
1968 R. H. Bacon Car xx. 268 Most universal joints are based on the Hooke coupling.
2. Hooke's law n. the law, valid within the limits of elasticity, that the strain produced by a stress of any one kind is proportional to that stress.
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the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [noun] > law of proportion of stress or strain
Hooke's law1853
1853 Trans. Royal Soc. Edinb. 20 93 The fundamental assumption from which the following equations are deduced is an extension of Hooke's law.
1906 A. E. H. Love Treat. Math. Theory Elasticity (ed. 2) iv. 110 Many materials used in engineering structures, e.g. cast iron, building stone, cement, do not obey Hooke's Law for any strains that are large enough to be observed.
1959 C. E. Pearson Theoret. Elasticity v. 83 The familiar Hooke's-law experiment in which a metal wire is stretched by a tensile load.
3. Hooke's gearing n. a gearing for wheels having teeth cut in a helicoid form.
ΚΠ
1875 E. H. Knight Pract. Dict. Mech. Hooke's Gearing.
Derivatives
Hookean adj. /ˈhʊkɪən/ (also hookean) [-an suffix] obeying Hooke's law; linearly elastic.
/ˈhʊkɪən/ (also hookean) [-an suffix] obeying Hooke's law; linearly elastic.ΘΚΠ
the world > matter > physics > mechanics > force > stress or force exerted and tending to deform > [adjective] > relating to change of form > linearly elastic
Hookean1956
1956 J. C. Jaeger Elasticity, Fracture & Flow ii. 99 (heading) The perfectly elastic or ‘Hookean’ substance.
1960 McGraw-Hill Encycl. Sci. & Technol. X. 476/2 On extension of polymeric materials, both rubberlike and Hookean elasticity may be present.
1968 C. G. Kuper Introd. Theory Superconductivity ix. 146 The elastic vibrations of a lattice of discrete point masses, coupled by Hookean springs.
1972 Physics Bull. Nov. 651/3 For most practical purposes alkali silicate glasses are hookean solids exhibiting a linear stress-strain curve to fracture.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022).
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