from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Bent, turned, or thrown back; reflected.
- adj. Physiology Being an involuntary action or response, such as a sneeze, blink, or hiccup.
- adj. Produced as an automatic response or reaction: reflex opposition to change.
- n. Something, such as light or heat, that is reflected.
- n. An image produced by reflection.
- n. A copy or reproduction.
- n. Physiology An involuntary response to a stimulus.
- n. Psychology An unlearned or instinctive response to a stimulus.
- n. Linguistics A form or feature that reflects or represents an earlier, often reconstructed, form or feature having undergone phonetic or other change.
- transitive v. To bend, turn back, or reflect.
- transitive v. To cause to undergo a reflex process.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An automatic response to a simple stimulus which does not require mental processing.
- n. A corresponding phoneme in a daughter language.
- adj. Bent, turned back or reflected.
- adj. Produced automatically by a stimulus.
- adj. Having greater than 180 degrees but less than 360 degrees.
- v. to bend, turn back or reflect
- v. to respond to a stimulus
from the GNU version of the Collaborative International Dictionary of English
- adj. Directed back; attended by reflection; retroactive; introspective.
- adj. Produced in reaction, in resistance, or in return.
- adj. Of, pertaining to, or produced by, stimulus or excitation without the necessary intervention of consciousness.
- n. Reflection; the light reflected from an illuminated surface to one in shade.
- n. An involuntary movement produced by reflex action.
- transitive v. To reflect.
- transitive v. To bend back; to turn back.
from The Century Dictionary and Cyclopedia
- To bend back; turn back.
- To reflect; cast or throw, as light; let shine.
- Thrown or turned backward; having a backward direction; reflective; reactive.
- In painting, illuminated by light reflected from another part of the same picture. See reflected light, under reflected.
- In oiol., bent back; reflexed.
- A sensation supposed to be produced by the irritation of an efferent or motor nerve: but the existence of the phenomenon is denied.
- n. Reflection; an image produced by reflection.
- n. A mere copy; an adapted form: as, a Middle Latin reflex of an Old French word.
- n. Light reflected from an illuminated surface to one in shade; hence, in painting, the illumination of one body or a part of it by light reflected from another body represented in the same piece. See reflected light, under reflected.
- n. Same as reflex action (which see, under reflex, a.).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an automatic instinctive unlearned reaction to a stimulus
- adj. without volition or conscious control
From Middle English reflexen, to refract light, bend back, from Latin reflexus, past participle of reflectere, to bend back; see reflect.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin reflexus, past participle of reflectere ("to bend back"). (Wiktionary)