Multiplies is a word that is used to describe something that increases or grows a lot. When you multiply a number by 2, you get the result of 4. When you multiply a number by 3, you get the result of 9.
To mutate is to change in some way. When you mutate a gene, you change the way that it works.
The outside of something is the part of it that is visible from outside. The outside of a house is the part that you can see, and the outside of a car is the part that you can see when it's parked.
To recombine is to combine different pieces of information together to make a new, more complex idea. When scientists recombine DNA molecules, they are creating new, genetically modified organisms.
To supercharge something is to increase its power or effectiveness. Sometimes people use the word to describe the act of doing something more than once in order to make a difference.
To covet something is to want it very much. You might covet a particular piece of jewelry, or you might covet the position of president.