Biocompatible means that the material or object is able to be in contact with the environment and still remain safe. This means that the material or object can be used in medical procedures or products without causing any harm.
A schematic is a diagram that shows how something works. Schematics can be used to explain how machines work, or to show how a building or other structure is organized.
To stumble is to trip and fall. Sometimes people stumble because they are not paying attention to where they are going.
Spilling something is to drop it or pour it out. When you spill coffee on your shirt, you're causing stains.
To rigorously is to do something in a very strict and careful way. If you're rigorous about your studies, you take the time to learn everything that you can.
Interfaced means connected or linked. When two things are interfaced, they are connected by a network or a system.