pectin
noun /ˈpektɪn/
/ˈpektɪn/
[uncountable] (chemistry- a substance similar to sugar that forms in fruit that is ready to eat, and is used to make jam thick and solid as it is cooked
果胶 词源mid 19th cent.: from Greek pektos ‘congealed’ (from pēgnuein ‘make solid’) + -in.