| A | B |
|---|
| Mega - (root) | Large, Great |
| Megalomania | a psychopathological condition in which fantasies of wealth or power predominate (n) |
| Megaphone | funnel shaped device used to amplify voice (n) |
| Megastructure | an extremely large, tall building (n) |
| Micro - (root) | small |
| Microbiology | the science that deals with microorganisms and their effects on other forms of life (n) |
| Microcomputer | a very small computer built around a microprocessor (n) |
| Microcosm | a diminutive, representative system more or less analogous to a larger system in constitution or configuration (n) |
| Microscopic | too small to be seen by the unaided eye (adj) |
