| A | B |
| hemi | half |
| micro | small, tiny |
| mid | middle, central |
| meter | measure |
| migr | wander, moving |
| -ism | practice of |
| hemisphere | northern and southern half of the earth as divided by the equator or the eastern or western half as divided by a meridian |
| hemihedral | having half the faces required by complete symmetry |
| barometer | instrument for measuring atmospheric pressure |
| cryometer | device for measuring very low temperatures |
| calorimeter | apparatus for measuring the heat generated by a chemical reaction, change of state, or formation of a solution |
| diameter | straight line segment passing through the center of a figure |
| microscopic | too small to be seen by the unaided eye but large enough to be studied under a microscope |
| microseism | a faint earth tremor caused by natural phenomena |
| microfilm | a film on which printed materials are photographed at greatly reduced size |
| immigrate | to enter a new country for the purpose of settling there |
| migrate | to change locations periodically |
| midmost | in the exact middle |
| plagiarism | a piece of writing that has been copied from someone else and is presented as being your own work |