Suppression may refer to:
Laws Suppression of Communism Act Suppression order a type of censorship where a court rules that certain information cannot be published Tohunga Suppression Act 1907, an Act of the Parliament of New Zealand aimed to replace tohunga as traditional Māori healers with "modern" medicine
Mathematics and science Biology, psychology and healthcare Suppression (eye), of an eye is a subconscious adaptation by a person's brain to eliminate the symptoms of disorders of binocular vision such as strabismus, convergence insufficiency and aniseikonia Appetite suppression Bone marrow suppression, the decrease in cells responsible for providing immunity, carrying oxygen, and those responsible for normal blood clotting Cough medicine, which may contain a cough suppressant, a medicinal drug used in an attempt to treat coughing Expressive suppression, a psychological aspect of emotion regulation Flash suppression, a phenomenon of visual perception in which an image presented to one eye is suppressed by a flash of another image presented to the other eye Genetic suppression Suppressor mutation, in which a gene inhibits the expression of another Reflux suppressant, in medicine Suppression subtractive hybridization, in biochemistry Thought suppression, the psychological process of deliberately trying to stop thinking about certain thoughts, associated with obsessive-compulsive disorder
Other uses in mathematics and science Compton suppression, in nuclear physics
Zero suppression, in mathematics and information theory
Politics Censorship, the suppression of public communication considered objectionable to the general body of people as determined by a government or media outlet Suppression of dissent, occurs when an individual or group tries to censor, persecute or otherwise oppress the other party rather than communicate logically Suppression of evidence, the act of preventing evidence from being shown in a trial Voter suppression, a strategy to influence the outcome of an election by discouraging or preventing people from exercising their right to vote Catch and kill, buying exclusive publication rights to an individual's story, and then suppressing the information
Religion Suppression (parish), the forced closure of a Catholic parish or association Religious intolerance, or religious suppression, intolerance against another's religious beliefs or practices by individuals, private groups, government agencies or the whole government Suppressive Person, a Church of Scientology concept discussed in the book, The Cause of Suppression
Technology Electromagnetic interference suppression, e.g., of electrical noise from switches and motors Fire suppression system Firefighting, involves the suppression of fire Free energy suppression and other suppressed technology Silence suppression, in telephony Transient-voltage-suppression diode, an electronic component used to protect sensitive electronics from voltage spikes induced on connected wires
Weapons Suppressive fire, weapons fire that degrades the performance of a target below the level needed to fulfill its mission Suppressor, a device attached to or part of the barrel of a firearm which reduces the amount of noise and flash generated by firing the weapon
Other uses Suppressed correlative, a logical fallacy