re·flex (r  fl ks )adj. 1. Bent, turned, or thrown back; reflected. 2. Physiology Being an involuntary action or response, such as a sneeze, blink, or hiccup. 3. Produced as an automatic response or reaction: reflex opposition to change. n. 1. a. Something, such as light or heat, that is reflected. b. An image produced by reflection. c. A copy or reproduction. 2. Physiology An involuntary response to a stimulus. 3. Psychology An unlearned or instinctive response to a stimulus. 4. Linguistics A form or feature that reflects or represents an earlier, often reconstructed, form or feature having undergone phonetic or other change. tr.v. (r  -flks) re·flexed, re·flex·ing, re·flex·es 1. To bend, turn back, or reflect. 2. To cause to undergo a reflex process. [From Middle English reflexen, to refract light, bend back, from Latin reflexus, past participle of reflectere, to bend back; see reflect.] |
reflex
Noun
1. an immediate involuntary response to a given stimulus
2. a mechanical response to a particular situation, involving no conscious decision
3. an image produced by reflection
Adjective
1. of or caused by a reflex: a reflex action
2. reflected
3. Maths (of an angle) between 180° and 360° [Latin reflexus bent back]
| reflex (rflks) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  reflex - an automatic instinctive unlearned reaction to a stimulusinborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex action, reflex response, unconditioned reflex accommodation reflex - reflex changes in the eyes that enable an object to be focused on the retina Babinski, Babinski reflex, Babinski sign - extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons belch, burp, burping, eructation, belching - a reflex that expels gas noisily from the stomach through the mouth blink, blinking, eye blink, nictation, nictitation, winking, wink - a reflex that closes and opens the eyes rapidly disgorgement, emesis, puking, vomiting, regurgitation, vomit - the reflex act of ejecting the contents of the stomach through the mouth defecation reflex, rectal reflex - normal response to the presence of feces in the rectum yawn, yawning, oscitance, oscitancy - an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy" electrical shock, shock, electric shock - a reflex response to the passage of electric current through the body; "subjects received a small electric shock when they made the wrong response"; "electricians get accustomed to occasional shocks" response, reaction - a bodily process occurring due to the effect of some antecedent stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age" knee jerk, knee-jerk reflex, patellar reflex - a reflex extension of the leg resulting from a sharp tap on the patellar tendon light reflex, pupillary reflex, miosis, myosis - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs micturition reflex - relaxation of the urethral sphincter in response to increased pressure in the bladder gag reflex, pharyngeal reflex - normal reflex consisting of retching; may be produced by touching the soft palate in the back of the mouth goose bump, goose pimple, goose skin, goosebump, gooseflesh, horripilation, pilomotor reflex - reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation plantar reflex - flexion of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front in persons over the age of 2 years; under 2 years the results should be extension of the toes (Babinski reflex) rooting reflex - reflex consisting of head-turning and sucking movements elicited in a normal infant by gently stroking the side of the mouth or cheek myotactic reflex, stretch reflex - reflex contraction of a muscle when an attached tendon is pulled; important in maintaining erect posture suckling reflex - reflex behavior in newborn mammals; includes finding and grasping the nipple in the mouth and sucking on it and swallowing the milk sneeze, sneezing, sternutation - a symptom consisting of the involuntary expulsion of air from the nose |
| Adj. | 1. | reflex - without volition or conscious control; "the automatic shrinking of the pupils of the eye in strong light"; "a reflex knee jerk"; "sneezing is reflexive" physiology - the branch of the biological sciences dealing with the functioning of organisms involuntary - controlled by the autonomic nervous system; without conscious control; "involuntary muscles"; "gave an involuntary start" |
Translations
n / adj reflex [ˈriːfleks]
(an action which is) automatic or not intended The doctor tapped the patient's knee in order to test his reflexes; a reflex action. refleks رَد فِعْل تَلْقائي рефлекс reflex refleks; refleks- der Reflex, Reflex-... αντανακλαστικό(ς) reflejo refleks عکس العمل؛ واکنش؛ باز تاب refleksi réflexe רִפלֶקס सहज क्रिया refleks reflex refleks ósjálfrátt viðbragð riflesso 反射作用(の) 반사 (작용); 반사 작용의 refleksas reflekss tindakan refleks, tindakan tanpa sedar reflex refleksbevegelse odruch reflexo reflex рефлекс;рефлекторный reflex refleks refleks reflex[] ปฏิกิริยาตอบกลับโดยอัตโนมัติ refleks 反射，反射的 рефлекс; рефлекторний فعل اضطراری sự phản xạ; sự phản ánh 反射，反射的
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