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Jerk vs Reflex - What's the difference?

jerk | reflex | Synonyms |

Jerk is a synonym of reflex.


In obsolete|lang=en terms the difference between jerk and reflex

is that jerk is (obsolete) to flout with contempt while reflex is (obsolete) reflection; the light reflected from an illuminated surface to one in shade.

As nouns the difference between jerk and reflex

is that jerk is a sudden, often uncontrolled movement, especially of the body or jerk can be (caribbean) a rich, spicy jamaican marinade while reflex is an automatic response to a simple stimulus which does not require mental processing.

As verbs the difference between jerk and reflex

is that jerk is to make a sudden uncontrolled movement or jerk can be to cure (meat) by cutting it into strips and drying it, originally in the sun while reflex is to bend, turn back or reflect.

As an adjective reflex is

bent, turned back or reflected.

jerk

English

Etymology 1

Probably from (etyl) . Related to (l).

Alternative forms

* (l)

Noun

(en noun)
  • A sudden, often uncontrolled movement, especially of the body.
  • * 1856 , (Gustave Flaubert), (Madame Bovary), Part III Chapter X, translated by Eleanor Marx-Aveling
    • The black cloth bestrewn with white beads blew up from time to time, laying bare the coffin. The tired bearers walked more slowly, and it advanced with constant jerks , like a boat that pitches with every wave.
  • A quick, often unpleasant tug or shake.
    • When I yell "OK," give the mooring line a good jerk !
  • (US, slang, pejorative) A dull or stupid person.
  • (US, slang, pejorative) A person with unlikable or obnoxious qualities and behavior, typically mean, self-centered or disagreeable.
    • I finally fired him, because he was being a real jerk to his customers, even to some of the staff.
    You really are a jerk sometimes.
  • (physics, engineering) The rate of change in acceleration with respect to time.
  • (obsolete) A soda jerk.
  • (weightlifting) A lift in which the weight is taken with a quick motion from shoulder height to a position above the head with arms fully extended and held there for a brief time.
    • Usage notes
    (wikipedia jerk) * Jerk is measured in metres per second cubed (m/s3) in SI units, or in feet per second cubed (ft/s3) in imperial units.
    Synonyms
    * (sudden movement) jolt, lurch, jump * (quick tug) yank * (stupid person) numbskull * (unlikable person) asshole, bastard, twat, knobhead, tosser, wanker, git, dick. * jolt (British), surge, lurch
    Derived terms
    * jerkish * soda jerk

    See also

    * acceleration * displacement * velocity

    Verb

    (en verb)
  • To make a sudden uncontrolled movement.
  • * 1877 , (Anna Sewell), (Black Beauty) Chapter 23[http://en.wikisource.org/wiki/Black_Beauty/23]
    • York came to me first, whilst the groom stood at Ginger's head. He drew my head back and fixed the rein so tight that it was almost intolerable; then he went to Ginger, who was impatiently jerking her head up and down against the bit, as was her way now.
  • To give a quick, often unpleasant tug or shake.
  • (US, slang, vulgar) To masturbate.
  • (obsolete) To beat, to hit.
    • (Florio)
  • (obsolete) To throw with a quick and suddenly arrested motion of the hand.
    • to jerk a stone
  • (usually, transitive, weightlifting) To lift using a jerk.
  • (obsolete) To flout with contempt.
    • Derived terms
    * jerk off * jerksome

    Etymology 2

    From American (etyl) charquear, from charqui, from (etyl) .

    Noun

    (-)
  • (Caribbean) A rich, spicy Jamaican marinade
  • (Caribbean) Meat cured by jerking; charqui.
    • Jerk chicken is a local favorite.
    Related terms
    *

    Verb

    (en verb)
  • To cure (meat) by cutting it into strips and drying it, originally in the sun.
  • * 2011 , Dominic Smith, Bright and Distant Shores , page 106:
    • The Lemakot in the north strangled widows and threw them into the cremation pyres of their dead husbands. If they defeated potential invaders the New Irish hanged the vanquished from banyan trees, flensed their windpipes, removed their heads, left their intestines to jerk in the sun.

    reflex

    English

    (wikipedia reflex)

    Noun

    (es)
  • An automatic response to a simple stimulus which does not require mental processing.
  • * {{quote-news
    • , year=2012 , date=May 5 , author=Phil McNulty , title=Chelsea 2-1 Liverpool , work=BBC Sport citation , page= , passage=He met Luis Suarez's cross at the far post, only for Chelsea keeper Petr Cech to show brilliant reflexes to deflect his header on to the bar. Carroll turned away to lead Liverpool's insistent protests that the ball had crossed the line but referee Phil Dowd and assistant referee Andrew Garratt waved play on, with even a succession of replays proving inconclusive.}}
  • (linguistics) the descendant of an earlier language element, such as a word or phoneme, in a daughter language
  • (obsolete) Reflection; the light reflected from an illuminated surface to one in shade.
  • * Shakespeare
    • Yon gray is not the morning's eye, / 'Tis but the pale reflex of Cynthia's brow.
  • * Tennyson
    • On the depths of death there swims / The reflex of a human face.

    Adjective

    (en adjective)
  • Bent, turned back or reflected.
  • * Sir M. Hale
    • the reflex act of the soul, or the turning of the intellectual eye inward upon its own actions
  • Produced automatically by a stimulus.
  • (geometry, of an angle) Having greater than 180 degrees but less than 360 degrees.
  • * 1878 , James Maurice Wilson, Elementary Geometry , MacMillan, page 10:
    • A polygon is said to be convex when no one of its angles is reflex .
  • * 1895 , David Eugen Smith and Wooster Woodruff Bernan, New Plane and Solid Geometry , page 7:
    • An angle less than a right angle is said to be acute''; one greater than a right angle but less than a straight angle is said to be ''obtuse''; one greater than a straight angle but less than a perigon is said to be ''reflex'' or ''convex .
  • * 1958 , Howard Fehr, “On Teaching Dihedral Angle and Steradian” in The Mathematics Teacher , v 51, National Council of Teachers of Mathematics, page 275:
    • If the reflex' region is the interior of the angle, the dihedral angle is ' reflex .
  • * 1991 , B. Falcidieno et al, “Configurable Representations in Feature-based Modelling” in Eurographics '91: Proceedings , North-Holland, page 145:
    • A reflex edge of a polyhedron is an edge where the inner dihedral angle subtended by two incident faces is greater than 180°.
  • * 2001 , Esther M. Arkin et al, “On the Reflexivity of Point Sets”, in Algorithms and data structures: 7th International Workshop, WADS 2001: Proceedings , Springer, page 195:
    • We say that an angle is convex if it is not reflex .
  • * 2004 , Ana Paula Tomás and António Leslie Bajuelos, “Quadratic-Time Linear-Space Algorithms Generating Orthogonal Polygons with a Given Number of Vertices”, in Computational Science and Its Applications – ICCSA 2004 Proceedings , part 3, Springer, page 117:
    • P'' denotes a polygon and ''r the number of reflex vertices.
  • (photography) Of a camera or camera mechanism, using a mirror to reflect the image onto a ground-glass viewfinder, allowing the photographer to see it up to the moment of exposure.

    • Synonyms

    * (of an angle) re-entrant

    Derived terms

    * reflex camera * reflex mirror * reflex viewfinder * single-lens reflex, single lens reflex, SLR * twin-lens reflex, twin lens reflex, TLR, dual-lens reflex

    Verb

    (es)
  • to bend, turn back or reflect
  • to respond to a stimulus
    • ----