reflex
/ˈɹiːflɛks/ noun, adjective, verb
Forms reflexes reflexing reflexed
- noun An automatic response to a simple stimulus which does not require mental processing.
- noun (linguistics) The descendant of an earlier language element, such as a word or phoneme, in a daughter language.
- noun (linguistics, rare) The ancestor word corresponding to a descendant.
- noun The descendant of anything from an earlier time, such as a cultural myth.
- noun (chiefly photography) A reflection or an image produced by a reflection; the light reflected from an illuminated surface to one in shade. “A reflex camera uses a mirror to reflect the image onto a ground-glass viewfinder.”
- adjective Bent, turned back or reflected.
- adjective Produced automatically by a stimulus.
- adjective (geometry, of an angle) Having greater than 180 degrees but less than 360 degrees.
- adjective (painting) Illuminated by light reflected from another part of the same picture.
- verb (transitive) To bend back or turn back over itself.
- verb (transitive, obsolete) To reflect (light, sight, etc.).
- verb (transitive, obsolete) To reflect or mirror (an object), to show the image of.
- verb (transitive, obsolete) To cast (beams of light) on something.
- verb To respond to a stimulus.
Synonyms
re-entrant reflex response reflex action instinctive reflex innate reflex inborn reflex unconditioned reflex physiological reaction automatic reflexive
Antonyms
Etymology
From Late Latin reflexus, past participle of reflectere (“to bend back”), equivalent to re- + flex. Photography sense is from noun sense meaning “reflection”. Compare English reflect.
Webster’s 1913
- adjective Directed back; attended by reflection; retroactive; introspective.
- adjective Produced in reaction, in resistance, or in return.
- noun Reflection; the light reflected from an illuminated surface to one in shade.
- noun An involuntary movement produced by reflex action. Patellar reflex. See Knee jerk, under Knee.
Etymology [L. reflexus, p. p. of reflectere: cf. F. réflexe. See Reflect.]
Etymology [L. reflexus a bending back. See Reflect.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “reflex”, CC BY-SA 4.0. Details