suppression

American  

[suh-presh-uhn] / səˈprɛʃ ən /

noun

1. the act of suppressing.

2. the state of being suppressed.

3. Psychoanalysis. conscious inhibition of an impulse.

4. Botany. the absence of parts normally or usually present due to the action of frost, disease, or insects.

5. Radio, Electronics. the elimination of a component of a varying emission, as the elimination of a frequency or group of frequencies from a signal.

6. Electricity. the reduction or elimination of irregular current oscillations or frequencies in a circuit.

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suppression British  

/ səˈprɛʃən /

noun

1. the act or process of suppressing or the condition of being suppressed

2. psychoanal the conscious avoidance of unpleasant thoughts Compare repression

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

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Other Word Forms

• nonsuppression noun
• resuppression noun
• self-suppression noun

Etymology

Origin of suppression

First recorded in 1520–30; from Latin suppressiōn-, stem of suppressiō “a pressing under”; equivalent to suppress + -ion

Example Sentences

After confirming eligibility, participants underwent a dexamethasone suppression test.

From Science Daily

MV Isle of Arran, a 42-year-old ship affectionately known as the Auld Trooper, has a problem with its fire suppression system.

From BBC

Minister of intelligence since 2021, he was accused by rights groups of playing a key role in the suppression of protests.

From Barron's

Better land management, farming practices and suppression have tamed global fires.

From The Wall Street Journal

One vision is bleak: The new crop will dwindle rapidly, leading to a depleted grove and possible extinction due to drought, a warming climate and the fire-enhancing effects of a century of fire suppression.

From Los Angeles Times

Related Words

• elimination
• overthrow