the act of suppressing.
the state of being suppressed.
Psychoanalysis. conscious inhibition of an impulse.
Botany. the absence of parts normally or usually present due to the action of frost, disease, or insects.
Radio, Electronics. the elimination of a component of a varying emission, as the elimination of a frequency or group of frequencies from a signal.
Electricity. the reduction or elimination of irregular current oscillations or frequencies in a circuit.

1520–30; < Latin suppressiōn- (stem of suppressiō) a pressing under. See suppress, -ion

nonsuppression, noun
resuppression, noun
self-suppression, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
suppression (səˈprɛʃən)
1.  the act or process of suppressing or the condition of being suppressed
2.  psychoanal Compare repression the conscious avoidance of unpleasant thoughts
3.  electronics the act or process of suppressing a frequency, oscillation, etc
4.  biology the failure of an organ or part to develop
5.  med the cessation of any physiological process

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

suppression sup·pres·sion (sə-prěsh'ən)

  1. The act of suppressing or the state of being suppressed.

  2. Conscious exclusion of unacceptable desires, thoughts, or memories from the mind.

  3. The sudden arrest of the secretion of a fluid, such as urine or bile.

  4. The checking or curtailing of an abnormal flow or discharge.

  5. The effect of a second genetic mutation that reverses a phenotypic change that had been caused by a previous mutation at a different location on the chromosome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Organic weed control encourages weed suppression rather than elimination.
In some cases, hormone replacement or suppression may be necessary.
The secret: the suppression of self-expression is impossible.
The risks of tolerance, the certainties of suppression.
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