hot button meaning, hot button definition | English Cobuild dictionary

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hot button

  
     ( hot buttons    plural  ) A hot button is a subject or problem that people have very strong feelings about.  
  (mainly AM, JOURNALISM)      n-count   oft N n  
Abortion is still one of the hot button issues of US life.     
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Collins
button     ( buttons    plural & 3rd person present)   ( buttoning    present participle)   ( buttoned    past tense & past participle  )
1       n-count   Buttons are small hard objects sewn on to shirts, coats, or other pieces of clothing. You fasten the clothing by pushing the buttons through holes called buttonholes.  
...a coat with brass buttons.     
2       verb   If you button a shirt, coat, or other piece of clothing, you fasten it by pushing its buttons through the buttonholes.  
Ferguson stood up and buttoned his coat.      V n  
      Button up means the same as button., phrasal verb  
I buttoned up my coat; it was chilly...      V P n (not pron)  
The young man slipped on the shirt and buttoned it up...      V n P  
It was freezing out there even in his buttoned-up overcoat.      V-ed P  
3       n-count   A button is a small object on a machine or electrical device that you press in order to operate it.  
He reached for the remote control and pressed the `play' button.     
4       n-count   A button is a small piece of metal or plastic which you wear in order to show that you support a particular movement, organization, or person. You fasten a button to your clothes with a pin.  
  (AM)  
in BRIT, use badge      button up  
    button 2  


belly button        ( belly buttons    plural  ) Your belly button is the small round thing in the centre of your stomach.  
INFORMAL      n-count   (=navel)  
button-down     
A button-down shirt or a shirt with a button-down collar has a button under each end of the collar which you can fasten.      adj   ADJ n  
button mushroom        ( button mushrooms    plural  ) Button mushrooms are small mushrooms used in cooking.      n-count   usu pl  
hot button        ( hot buttons    plural  ) A hot button is a subject or problem that people have very strong feelings about.  
  (mainly AM, JOURNALISM)      n-count   oft N n  
Abortion is still one of the hot button issues of US life.     
push-button     
A push-button machine or process is controlled by means of buttons or switches.      adj   ADJ n  
...push-button phones.     

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