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English definition of “shock”

shock

noun  /ʃɑk/ us  

shock noun (SURPRISE)

[C/U] a sudden, unexpected, and often unpleasant or offensive event, or the emotional or physical reaction to such an event: [C] It was kind of a shock to hear they wanted to throw it out. [C/U] Shock is also a medical condition caused by severe injury, pain, loss of blood, or fright that slows down the flow of blood around the body: [U] She was going into shock – her flesh was becoming chilled and her muscles were contracting.

shock noun (EFFECT FROM HITTING)

[U] the effect, often including damage or slight movement, of one object hitting another forcefully: Running shoes lose their ability to absorb shock.

shock noun (ELECTRIC CURRENT)

[C] a current of electricity going through the body: If that cord is pulled loose, you’ll get a shock from the plug.
shocking
adjective  /ˈʃɑk·ɪŋ/ us  
The book was considered shocking when it was first published.

shock

verb [I/T]  /ʃɑk/ us  

shock verb [I/T] (SURPRISE)

to make someone suddenly feel very upset or surprised: [T] Her painting might shock viewers. [I] The ads were designed to shock.
(Definition of shock from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of shock?
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