energy bar

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energy bar (plural energy bars)

1. A supplemental food in bar form, containing cereals or other high-energy foods.

   Synonym: breakfast bar

   • 2011 December 15, Felicity Cloake, “How to cook the perfect nut roast”, in Guardian‎^[1]:

     I'm convinced that the nut's very nutritiousness is to blame for the dish's poor reputation. They're so dense that a loaf made primarily from nuts would be more suitable for slicing into energy bars and selling to mountaineering supply shops - hence the main bulk of a nut roast is generally some form of carbohydrate, intended to lighten the load.

2. (video games) A bar indicating the proportion of a character's energy that still remains.