Dictionary
Thesaurus
Reference
Translate
Web
refractive
Sponsored Links LasikPlus - Official Site
$0 Down, 0% Interest until 2010. Call (800) 550-3045 for a Free Exam
www.LasikPlus.com
Top LASIK Surgeon in LA
"Dr Wallace was second to none!" Voted 1 of "LA's Best" 310-402-2990
www.LA-Sight.com
TLC Laser Vision Centers
Offering FDA Approved Technology. Schedule A Free Consultation Today.
www.tlcvision.com
4 dictionary results for: Refractive
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
re·frac·tive       [ri-frak-tiv] Pronunciation Key
–adjective
1.of or pertaining to refraction.
2.Also, refractile. having power to refract.
[Origin: 1665–75; < LL refrāctīvus (of pronouns) reflexive. See refract, -ive]

—Related forms
re·frac·tive·ly, adverb
re·frac·tive·ness, noun
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
CITE THIS SOURCE|PRINT
Sponsored Links LasikPlus - Official Site
$0 Down, 0% Interest until 2010. Call (800) 550-3045 for a Free Exam
www.LasikPlus.com
Top LASIK Surgeon in LA
"Dr Wallace was second to none!" Voted 1 of "LA's Best" 310-402-2990
www.LA-Sight.com
TLC Laser Vision Centers
Offering FDA Approved Technology. Schedule A Free Consultation Today.
www.tlcvision.com
American Heritage Dictionary - Cite This Source - Share This
re·frac·tion       (rĭ-frāk'shən)  Pronunciation Key 


(click for larger image in new window)

n.  
  1. The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density.
  2. Astronomy The apparent change in position of celestial objects caused by the bending of light rays entering Earth's atmosphere.
  3. Medicine
    1. The ability of the eye to bend light so that an image is focused on the retina.
    2. Determination of the refractive characteristics of the eye.

re·frac'tion·al, re·frac'tive adj., re·frac'tive·ly adv., re·frac'tive·ness, re'frac·tiv'i·ty (rē'frāk-tĭv'ĭ-tē) n.
(Download Now or Buy the Book)
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
CITE THIS SOURCE|PRINT
WordNet - Cite This Source - Share This
refractive

adjective
1. of or relating to or capable of refraction; "the refractive characteristics of the eye" 
2. capable of changing the direction (of a light or sound wave) [syn: deflective] 

WordNet® 3.0, © 2006 by Princeton University.
CITE THIS SOURCE|PRINT
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Refractive

Re*fract"ive\ (r?*fr?kt"?v), a. [Cf. F. r['e]fractif. See Refract.] Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers.

Refractive index. (Opt.) See Index of refraction, under Index.

Absolute refractive index (Opt.), the index of refraction of a substances when the ray passes into it from a vacuum.

Relative refractive index (of two media) (Opt.), the ratio of the sine of the angle of incidence to the sine of the angle of refraction for a ray passing out of one of the media into the other.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
CITE THIS SOURCE|PRINT
Share This:Share This: digg.comShare This: ma.gnolia.comShare This: www.stumbleupon.comShare This: del.icio.usShare This: FacebookShare This: favorites.live.comShare This: www.technorati.comShare This: furl.netShare This: myweb2.search.yahoo.comShare This: www.google.com
Sponsored Links LasikPlus - Official Site
$0 Down, 0% Interest until 2010. Call (800) 550-3045 for a Free Exam
www.LasikPlus.com
Top LASIK Surgeon in LA
"Dr Wallace was second to none!" Voted 1 of "LA's Best" 310-402-2990
www.LA-Sight.com
TLC Laser Vision Centers
Offering FDA Approved Technology. Schedule A Free Consultation Today.
www.tlcvision.com
Top LASIK Doc
Cedars-Sinai/U.C.L.A. LASIK expert new 'LaserWave' technology
www.laser-prk.com
Thinking of LASIK?
Los Angeles Laser Eye Specialists 0 Down, 0% Financing
www.LaserEyeCenter.com