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1. a turning away from the regular standard or course.
2. in ophthalmology, strabismus.
3. in statistics, the difference between a sample value and the mean.
axis deviation an axis shift in the frontal plane, as seen on an electrocardiogram. There are three types: Left, from −30° to −90°; Right, from +90° to +180°; and Undetermined, which may be either extreme left or extreme right, from −90° to +180°.
conjugate deviation dysfunction of the ocular muscles causing the two eyes to diverge to the same side when at rest.
sexual deviation sexual behavior or fantasy outside that which is morally, biologically, or legally sanctioned, often specifically one of the paraphilias.
standard deviation (SD) the dispersion of a random variable; a measure of the amount by which each value deviates from the mean. It is equal to the square root of the variance. For data that have a normal distribution, about 68 per cent of the data points fall within (plus or minus) one standard deviation from the mean and about 95 per cent fall within (plus or minus) two standard deviations. Symbol σ.
ulnar deviation a hand deformity, seen in chronic rheumatoid arthritis and lupus erythematosus, in which swelling of the metacarpophalangeal joints causes the fingers to become displaced to the ulnar side. Called also ulnar drift. See illustration.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
a sexual practice that is biologically atypical, considered morally wrong, or legally prohibited. See: bestiality, pedophilia.
Synonym(s): sexual perversion
Farlex Partner Medical Dictionary © Farlex 2012
sex·u·al de·vi·a·tion(sekshū-ăl dēvē-āshŭn)
Sexual practice that is biologically atypical, considered morally wrong, or legally prohibited. Also called sexual perversion.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
sexual deviationAn arbitrary term whose meaning varies with the attitudes and views of the user. Few, however, would exclude from its definition SADISM, SADOMASOCHISM, PAEDOPHILIA, BESTIALITY, sexual exhibitionism, sexual FETISHISM, VOYEURISM, telephone scatologia, FROTTEURISM and COPROPHILIA.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005