Suppressor



verb (used with object)
1.
to put an end to the activities of (a person, body of persons, etc.):
to suppress the Communist and certain left-leaning parties.
2.
to do away with by or as by authority; abolish; stop (a practice, custom, etc.).
3.
to keep in or repress (a feeling, smile, groan, etc.).
4.
to withhold from disclosure or publication (truth, evidence, a book, names, etc.).
5.
to stop or arrest (a flow, hemorrhage, cough, etc.).
6.
to vanquish or subdue (a revolt, rebellion, etc.); quell; crush.
7.
Electricity. to reduce or eliminate (an irregular or undesired oscillation or frequency) in a circuit.
noun
1.
a person or thing that suppresses
2.
a device fitted to an electrical appliance to suppress unwanted electrical interference to audiovisual signals
verb (transitive)
1.
to put an end to; prohibit
2.
to hold in check; restrain: I was obliged to suppress a smile
3.
to withhold from circulation or publication: to suppress seditious pamphlets
4.
to stop the activities of; crush: to suppress a rebellion
5.
(electronics)

to reduce or eliminate (unwanted oscillations) in a circuit
to eliminate (a particular frequency or group of frequencies) in a signal

6.
(psychiatry)

to resist consciously (an idea or a desire entering one’s mind)
to exercise self-control by preventing the expression of (certain desires) Compare repress (sense 3)

suppress sup·press (sə-prěs’)
v. sup·pressed, sup·press·ing, sup·press·es

To curtail or inhibit the activity of something, such as the immune system.

To deliberately exclude unacceptable desires or thoughts from the mind.

To reduce the incidence or severity of a condition or symptom, such as a hemorrhage.

suppressor
(sə-prěs’ər)

A mutant gene that suppresses the phenotypic expression of another usually mutant gene.

A device, such as a resistor or grid, that is used in an electrical or electronic system to reduce unwanted currents. ◇ A suppressor grid in a vacuum tube such as a pentode is designed to prevent the secondary emission of electrons from the plate. When electrons emitted by the tube’s cathode strike the plate, their energies can be high enough to cause secondary emission of low-energy electrons from the plate, and these electrons can drift away into other positively charged electrodes in the tube (like the screen or the control grid), drawing current from the plate. A negatively charged suppressor grid near the plate repels these low-energy electrons and pushes them back toward the plate so that no current is lost, increasing the efficiency of the tube.

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Read Also:

  • Suppressor grid

    noun 1. an electrode placed between the screen grid and anode of a valve. Its negative potential, relative to both screen and anode, prevents secondary electrons from the anode reaching the screen

  • Suppressor mutation

    suppressor mutation sup·pres·sor mutation (sə-prěs’ər) n. A mutation that alters the anticodon in a tRNA so that it is complementary to a termination codon, thus suppressing termination of the amino acid chain.



  • Suppressor-t-cell

    noun, Immunology. 1. a T cell capable of inhibiting the activity of B cells and other T cells. suppressor T cell n. A T cell that reduces or suppresses the immune response of B cells or of other T cells to an antigen.

  • Suppurant

    suppurant sup·pu·rant (sŭp’yə-rənt) adj. Causing or inducing suppuration. n. An agent that promotes the suppuration process.



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