oscillation

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oscillation

 [os″ĭ-la´shun]
a backward and forward motion, like that of a pendulum; also vibration, fluctuation, or variation.
high frequency oscillation a type of high frequency ventilation characterized by the use of active expiration.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

os·cil·la·tion

(os'i-lā'shŭn),
1. A to-and-fro movement.
2. A stage in the vascular changes in inflammation in which the accumulation of leukocytes in the small vessels arrests the passage of blood and there is simply a to-and-fro movement at each cardiac contraction.
[L. oscillatio, fr. oscillo, to swing]
Farlex Partner Medical Dictionary © Farlex 2012

oscillation

A rhythmic periodic motion.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

os·cil·la·tion

(os'il-ā'shŭn)
1. A to-and-fro movement.
2. A stage in inflammation in which the accumulation of leukocytes in small vessels arrests the passage of blood and there is simply a to-and-fro movement at each cardiac contraction.
[L. oscillatio, fr. oscillo, to swing]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012