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[ri-flekst, ree-flekst] /rɪˈflɛkst, ˈri flɛkst/
bent backward or downward, as a leaf.
Origin of reflexed
1350-1400; Middle English: reflected; see reflex, -ed2


[adjective, noun ree-fleks; verb ri-fleks] /adjective, noun ˈri flɛks; verb rɪˈflɛks/
Physiology. noting or pertaining to an involuntary response to a stimulus, the nerve impulse from a receptor being transmitted inward to a nerve center that in turn transmits it outward to an effector.
occurring in reaction; responsive.
cast back; reflected, as light, color, etc.
bent or turned back.
designating a radio apparatus in which the same circuit or part performs two functions.
  1. Also called reflex act. movement caused by a reflex response.
  2. Also called reflex action. the entire physiological process activating such movement.
any automatic, unthinking, often habitual behavior or response.
the reflection or image of an object, as exhibited by a mirror or the like.
a reproduction, as if in a mirror.
a copy; adaptation.
reflected light, color, etc.
Historical Linguistics. an element in a language, as a sound, that has developed from a corresponding element in an earlier form of the language:
The (ō) in “stone” is a reflex of Old English ā.
a reflex radio receiver.
a reflex camera.
verb (used with object)
to subject to a reflex process.
to bend, turn, or fold back.
to arrange in a reflex system.
1500-10; < Latin reflexus bent back, past participle of reflectere to reflect
Related forms
reflexly, adverb
reflexness, noun
multireflex, noun
semireflex, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for reflexed
Historical Examples
  • Its color is a soft pink, shaded with cream, with reflexed petals.

    Amateur Gardencraft Eben E. Rexford
  • Eye, small and open, with reflexed segments, and placed in a shallow basin.

    British Pomology Robert Hogg
  • One of Munsons grapes which was not introduced on account of reflexed stamens.

    The Grapes of New York U. P. Hedrick
  • The calyx is of six oblong sharpish leaves, reflexed and permanent.

    Lachesis Lapponica Carl von Linn
  • reflexed bows are harder on strings than those that follow the string.

  • They have umbels of pretty, reflexed flowers, and grow about one and a half feet high.

    The Book of Bulbs Samuel Arnott
  • Eye, open and prominent, with reflexed segments, and placed in a very shallow basin.

    British Pomology Robert Hogg
  • Eye small and closed, with long flat segments, which are reflexed at the tips and set in an irregular basin.

    British Pomology Robert Hogg
  • They are rough and tubercled and131 separate into three reflexed points.

  • Pinnules distant, the reflexed, narrow margin forming a continuous, membranous indusium.

    The Fern Lover's Companion George Henry Tilton
British Dictionary definitions for reflexed


noun (ˈriːflɛks)
  1. an immediate involuntary response, esp one that is innate, such as coughing or removal of the hand from a hot surface, evoked by a given stimulus
  2. (as modifier): a reflex action See also reflex arc
  1. a mechanical response to a particular situation, involving no conscious decision
  2. (as modifier): a reflex response
a reflection; an image produced by or as if by reflection
a speech element derived from a corresponding form in an earlier state of the language: "sorrow" is a reflex of Middle English "sorwe"
adjective (ˈriːflɛks)
(maths) (of an angle) between 180° and 360°
(prenominal) turned, reflected, or bent backwards
verb (rɪˈflɛks)
(transitive) to bend, turn, or reflect backwards
Derived Forms
reflexible, adjective
reflexibility, noun
Word Origin
C16: from Latin reflexus bent back, from reflectere to reflect
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for reflexed



c.1500, "reflection of light," from verb reflex meaning "refract, deflect" (late 14c.), from Late Latin reflexus "a bending back," noun use of past participle of reflectere (see reflection). Meaning "involuntary nerve stimulation" first recorded 1877, from reflex action (1833).

Online Etymology Dictionary, © 2010 Douglas Harper
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reflexed in Medicine

reflex re·flex (rē'flěks')

  1. An involuntary physiological response to a stimulus.

  2. An unlearned or instinctive response to a stimulus.

  3. Something, such as light or heat, that is reflected.

  1. Being an involuntary action or response, such as a sneeze, blink, or hiccup.

  2. Bent, turned, or thrown back; reflected.

v. re·flexed, re·flex·ing, re·flex·es (rĭ-flěks')
  1. To cause to undergo a reflex process.

  2. To reflect.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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reflexed in Science
  1. An involuntary physiological response to a stimulus, as the withdrawal of a body part from burning heat.

  2. An unlearned or instinctive response to a stimulus. Also called unconditioned response. See more at classical conditioning.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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reflexed in Culture

reflex definition

An action or movement not controlled by conscious thought. A reflex may be anything from a hiccup to the involuntary response of a body part, such as the action that occurs in the knee-jerk reflex.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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