Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Greek
Origin: pepsis 'digestion'

pepsin

 noun
     
Related topics: Biology, Human
pep‧sin [uncountable] technical
HB a liquid in your stomach that changes food into a form that your body can use
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary