| A | B |
|---|
| astrology | study of stars |
| astronomy | systemized knowledge of stars |
| benephile | good person |
| hydrant | large outlet for water |
| megaphone | instrument used to increase loudness of voice |
| micrometer | measure very small things |
| pathology | study of diseases |
| pseudonym | false name |
| telephone | far reaching sound |
| autonomy | rule of oneself, self-knowledge |
| hydrometer | device for measuring water |
| photograph | written light, production of an image by the action of light |
| microbiology | study/science of small living things |
| microscope | a device for seeing small things |
| pseudopod | a creature with a false foot |
| hydroplane | a water plane |
| agronomy | the science/knowledge of agriculture |
| benefactor | one who does good deeds |
| megalith | a large stone |
| astronautics | the practice of being among stars |
| pathos | same feelings |
| photocopy | a copy made by the use of light |
| phonetic | concerning sound |
| sympathy | sharing someone else's suffering |
| metronome | a clock that "rules the measure" |
| photosynthesis | plants use the energy of light to synthesize carbohydrates from carbon dioxide and water |
| polyphonic | music that has many voices or sounds |
| megalopolis | greatest concentration of population identified by large city |
| microcosm | small universe |
| hydroponics | the science of growing plants in water |
| benefit | an advantage; to be helpful |
| astrophysics | science that studies the physical and chemical nature of stars |
