reflex

[ adjective, noun ree-fleks; verb ri-fleks ]

/ adjective, noun ˈri flɛks; verb rɪˈflɛks /

SEE SYNONYMS FOR reflex ON THESAURUS.COM

adjective

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.

noun

Physiology.

Also called reflex act . movement caused by a reflex response.
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.

Origin of reflex

1500–10; <Latin reflexus bent back, past participle of reflectere to reflect

OTHER WORDS FROM reflex

re·flex·ly, adverbre·flex·ness, nounmul·ti·re·flex, nounsem·i·re·flex, noun

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for reflex

Even the psychologist with his reflex-action theory does not solve the whole problem.
The Book of Khalid|Ameen Rihani

British Dictionary definitions for reflex

reflex

noun (ˈriːflɛks)

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
(as modifier)a reflex action See also reflex arc

a mechanical response to a particular situation, involving no conscious decision
(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)

(tr) to bend, turn, or reflect backwards

Derived forms of reflex

reflexible, adjectivereflexibility, noun

Word Origin for reflex

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

Cultural definitions for reflex

reflex

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.

Medical definitions for reflex

reflex

[ rē′flĕks′ ]

n.

An involuntary physiological response to a stimulus.

An unlearned or instinctive response to a stimulus.

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

adj.

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

Bent, turned, or thrown back; reflected.

v.

To cause to undergo a reflex process.

To reflect.

Scientific definitions for reflex

reflex

[ rē′flĕks′ ]

An involuntary physiological response to a stimulus, as the withdrawal of a body part from burning heat.

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

单词	reflex
释义	reflex [ adjective, noun ree-fleks; verb ri-fleks ] / adjective, noun ˈri flɛks; verb rɪˈflɛks / SEE SYNONYMS FOR reflex ON THESAURUS.COM adjective 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. noun Physiology. Also called reflex act . movement caused by a reflex response. 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. Origin of reflex 1500–10; <Latin reflexus bent back, past participle of reflectere to reflect OTHER WORDS FROM reflex re·flex·ly, adverbre·flex·ness, nounmul·ti·re·flex, nounsem·i·re·flex, noun Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for reflex Even the psychologist with his reflex-action theory does not solve the whole problem. The Book of Khalid\|Ameen Rihani British Dictionary definitions for reflex reflex noun (ˈriːflɛks) 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 (as modifier)a reflex action See also reflex arc a mechanical response to a particular situation, involving no conscious decision (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) (tr) to bend, turn, or reflect backwards Derived forms of reflex reflexible, adjectivereflexibility, noun Word Origin for reflex 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 Words related to reflex automatic, habitual, involuntary, knee-jerk, responsive, spontaneous, unthinking Cultural definitions for reflex reflex 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 Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for reflex reflex [ rē′flĕks′ ] n. An involuntary physiological response to a stimulus. An unlearned or instinctive response to a stimulus. Something, such as light or heat, that is reflected. adj. Being an involuntary action or response, such as a sneeze, blink, or hiccup. Bent, turned, or thrown back; reflected. v. To cause to undergo a reflex process. To reflect. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for reflex reflex [ rē′flĕks′ ] An involuntary physiological response to a stimulus, as the withdrawal of a body part from burning heat. An unlearned or instinctive response to a stimulus. Also called unconditioned response See more at classical conditioning. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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reflex

adjective

noun

verb (used with object)

Origin of reflex

OTHER WORDS FROM reflex

Example sentences from the Web for reflex

British Dictionary definitions for reflex

noun (ˈriːflɛks)

adjective (ˈriːflɛks)

verb (rɪˈflɛks)

Derived forms of reflex

Word Origin for reflex

Words related to reflex

Cultural definitions for reflex

Medical definitions for reflex

n.

adj.

v.

Scientific definitions for reflex