compression

• 指压缩、压紧的动作或过程，使物体占据更小空间或体积；也指减少表示信息所需的数据量。

A noun referring to the act or process of pressing something into a smaller space or volume, or reducing the amount of data needed to represent information.

不可数

1. Increase in densityB2formaltechnical

   An increase in the density of a substance or material, often by applying pressure.

   压缩

   • The compression of the gas in the cylinder raised its temperature.
   • Engineers study the compression of soil under heavy structures.
   • The compression of air in the pump creates pressure.

   同义词compactionconsolidationdensificationpressingsqueezing

   反义词dilationexpansionrarefaction

2. Reduction in sizeB2formaltechnical

   The process or result of becoming smaller or pressed together, often under force.

   压缩

   • The compression of the spring stores potential energy.
   • The compression of the foam made it easier to pack.
   • The compression of the material changed its shape permanently.

   同义词compactioncondensationconstrictioncontractionnarrowingshrinkingsqueezesqueezing

   反义词dilationdistensionenlargementexpansioninflation

3. Data compressionB2formalIT

   Encoding information using fewer bits than the original representation, reducing storage or bandwidth requirements.

   数据压缩

   • Data compression is essential for streaming video efficiently.
   • The file uses lossless compression to preserve quality.
   • Image compression reduces the file size for faster uploads.

   同义词packing

4. Application of pressureB2formalmedical

   The act of applying pressure to a part of the body, often to stop bleeding or reduce swelling.

   压迫

   • Apply direct compression to the wound to stop the bleeding.
   • Compression bandages are used to reduce swelling in the ankle.
   • The doctor recommended compression therapy for the patient's leg.

   同义词constrictionpressingpressuresqueezing

   反义词decompressionreleaserelief