| A | B |
| microchip | a tiny electronic circuit used to process information, as in a computer or calculator |
| microscope | an instrument for viewing tiny objects |
| monarch | the ruler of a state, such as a king or queen |
| monopoly | control of a product or service by one person or company |
| monotonous | continuing in the same tone; not varying |
| parallel | extending in the same direction, at the same distance apart, so as never to meet |
| paraphrase | to restate in another way |
| parasite | an animal or plant living on another |
| perimeter | the outer boundary of an area |
| periscope | an instrument for viewing objects not directly in the viewer's line of sight |