adrenalinnoun [ U ]
also adrenaline uk/əˈdren.əl.ɪn/us/əˈdren.əl.ɪn/a hormone produced by the body, for example when you are frightened, angry, or excited, that makes the heart beat faster and prepares the body to react to danger:
These arguments always get my adrenalin going (= make me excited or angry).
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Biochemistry
- adipose
- amino acid
- amylase
- arnica
- beta-carotene
- chlorophyll
- fatty acid
- flavonoid
- fructose
- histamine
- jute
- lanolin
- oestrogen
- phloem
- phototropism
- polysaccharide
- protease
- resin
- tannin
- xylem
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