deviatorn.
/ˈdiːvɪeɪtə/, U.S. /ˈdiviˌeɪdər/ 1. One who deviates, goes astray, digresses, etc.; see the verb.
ΘΚΠ
the world > movement > motion in a certain direction > change of direction of movement > [noun] > (a) deviation from straight course > one who or that which
swerver1598
deviator1651
society > leisure > the arts > literature > style of language or writing > copiousness > [noun] > discursiveness or digression > one who
deviator1651
digresser1654
parenthesist1901
1651 Poem in T. Fuller Abel Redevivus 220 Though Latimer was in his heedlesse youth A deviator.
1756 W. Toldervy Hist. Two Orphans III. 48 Here we are obliged to be, in some measure, deviators.
1851 P. Fairbairn tr. Hengstenberg Revel. S. John i. 7 The deviators are quite at variance among themselves.
2. An appliance for altering the course of a balloon.
ΘΚΠ
society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [noun] > device for altering course
deviator1886
1886 Pall Mall Gaz. 14 Sept. 8/2 Their deviator had ceased to act.
Draft additions 1993
3. Mechanics. The non-isotropic component of a tensor, esp. a stress tensor. Frequently as stress deviator.
ΚΠ
1937 Jrnl. Appl. Physics 8 207/2 The special tensor for this type of distortion [sc. plastic deformation] has sometimes been called a ‘deviator’.
1951 Prager & Hodge Theory perfectly Plastic Solids iv. 117 The stress-strain law of Mises..then shows that the radial and circumferential components of the stress deviator are equal in absolute value but opposite in sign, while the axial component sz vanishes.
1976 Trans. Amer. Soc. Mech. Engin. Ser. H. 98 282/1 The third invariant of stress deviator affects considerably the plastic deformation of the material.
This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022).
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