Ma'anar ƙamus na kalmar "biosynthesis" shine samar da wani hadadden sinadari ta hanyar rayayyun kwayoyin halitta, yawanci daga mafi sauƙi, ta hanyar halayen enzymatic. Ita ce tsarin da rayayyun halittu ke ginawa ko hada hadaddun kwayoyin halitta irin su sunadarai, carbohydrates, da lipids daga mahadi masu sauki. Wannan tsari sau da yawa ya ƙunshi amfani da enzymes don haɓaka halayen sinadarai da ake buƙata don haɗa waɗannan ƙwayoyin cuta.