ptyalin Syllabification: (pty·a·lin)Pronunciation: /ˈtīələn/Definition of ptyalin noun Biochemistry a form of amylase found in the saliva of humans and some other animals. Origin: mid 19th century: from Greek ptualon 'spittle' + -in1ptyalin in other Oxford dictionaries Definition of ptyalin in the British & World English dictionary
