| Term | Definition |
| Stage | Part of the microscope that supports the slide |
| Cover Slip | Small piece that is used to cover a water drop on a slide |
| Slide | Small glass plate on which specimen are paced for viewing |
| Power | The degree of magnication for a lens |
| Eyepiece | Allows you to view the image. Contains the ocular lens. |
| Nosepiece | Holds the objective lenses. Able to rotate to change magnification. |
| Objective Lenses | Found on the nosepiece. Range from high to low power. |
| Stage Clips | These are used to hold a slide in place on the stage |
| Light Source | Sends light upwards through the diaphragm to light up the specimen. |
| Arm | Part on the side of a microscope that is used to support it when it is carried |
| Coarse Adjustment Knob | Moves the stage up and down |
| Fine Adjustment Knob | Moves the stage slightly to help you "fine" tune your view |
| Diaphragm | Helps you to adjust the amount of light that reaches the specimen |
| Base | The bottom part of the microscope |