1.BiologyChemistry(Material Noun-Neuter) any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. যি জৈৱিক পদাৰ্থই কোনো জৈৱ-বিক্ৰিয়াক, যেনে পচন ক্ৰিয়া, সহায় কৰে
