tanninnoun [ C or U ]
uk/ˈtæn.ɪn/us/ˈtæn.ɪn/also tannic acid, uk/ˌtæn.ɪkˈæs.ɪd/us(one of) a group of chemicals that are found in plant cells, especially in leaves, bark (= a tree's outer covering), and fruit that is not yet ready to eat
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Biochemistry
- adipose
- adrenalin
- amino acid
- amylase
- arnica
- chlorophyll
- enzyme
- fatty acid
- flavonoid
- fructose
- histamine
- lanolin
- oestrogen
- pheromone
- phloem
- phototropism
- polysaccharide
- protease
- tRNA
- xylem
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Chemicals, chemical compounds & gases