commutatev.
/ˈkɒmjuːteɪt/ΘΚΠ
the world > time > change > change [verb (intransitive)]
wendeOE
braidOE
change?c1225
turnc1300
remue1340
varyc1369
flitc1386
strange1390
alter?a1425
degenerate1548
variate1605
commutatea1652
veer1670
mutate1818
reschedule1887
switch1906
to change up1920
a1652 R. Brome Love-sick Court ii. i. 106 in Five New Playes (1659) I still am thine and cannot commutate, I am as certain to thee as thy fate.
2. transitive. To regulate (the direction of an electric current); = commute v. 6.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > operation of machinery > regulate current [verb (transitive)]
commute1884
commutate1890
1890 [see commutating adj. and n. at Derivatives].
1893 W. P. Maycock Electr. Lighting ii. vii. 228 There is a similarity in the methods of commutating the currents.
Derivatives
ˈcommutated adj.
ΚΠ
1896 D. C. Jackson & J. P. Jackson Alternating Currents II. 624 Commutated Armature. The armature may be wound with the coils so arranged that their conductors are in series when starting and in parallel when running.
ˈcommutating adj. and n.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > operation of machinery > [noun] > regulation of current
commutation1876
commutating1890
the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > operation of machinery > [adjective] > regulating current
commutating1890
1890 W. James Princ. Psychol. I. 26 It is like the great commutating switch-board at a central telephone station.
1896 D. C. Jackson & J. P. Jackson Alternating Currents II. 261 When the commutating point is reached during the rotation of the commutator, the trailing brushes move on to intermediate segments.
1916 Standardization Rules Amer. Inst. Electr. Engin. 22 Commutating Machines.
1962 Newnes Conc. Encycl. Engin. 144/2 (heading) E.M.F. in commutating coils.
This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2019).
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