adrenaline

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adrenaline noun
or chiefly British adrenalin ˈdrɛnələn/
adrenaline
noun
or chiefly British adrenalin ˈdrɛnələn/
Learner's definition of ADRENALINE
[noncount]
: a substance that is released in the body of a person who is feeling a strong emotion (such as excitement, fear, or anger) and that causes the heart to beat faster and gives the person more energy
◊ If you experience a rush of adrenaline or an adrenaline rush, you feel very excited and full of energy.
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