| A | B |
| hyper- | over, overly |
| hyperactive | extremely or abnormally |
| hyperbole | a deliberate exaggeration used for effect only |
| hypercrytical | excessively critical; finding too much to criticizes |
| hypertension | abnormally high blood pressure |
| hyperventilation | extremely rapid or deep breathing that causes dizziness and faintness |
| -logy | the study of |
| archeology | the study of the life and culture of ancient people |
| meteorology | the study of weather |
| psychology | the study of the human mind and behavior |
| seismology | the study of earthquakes |
| theology | the study of religion |
| zoology | the study of animals |
| magnanimous | showing great generosity, especially in forgiving injury or insult |
| magnate | a person who has great power, especially in business |
| magnificent | presenting great splendor or beauty |
| magnify | to make something appear larger |
| magnitude | greatness or importance |
| manacle | to put handcuffs on, to restrain (verb); handcuff (noun) |
| manicure | cosmetic care of the hands and fingernails |
| manipulate | to control or move with the hands; to handle skillfully |
| manual | done by hand (adjective); a handbook providing information or instruction (noun) |
| manufacture | to make a product by hand or by machinery |
| manuscript | a handwritten or typed copy of an article, book, or report before it is printed |
| barometer | an instrument used for measuring atmospheric pressure to forecast weather |
| meter | an instrument used to measure something; the basic unit of length in the metric system |
| metronome | an instrument that sounds an adjustable number of musical beats per minute |
| speedometer | a device used for measuring the speed of and distance traveled by a vehicle |
| trigonometry | a branch of mathematics studying the relationships between angles and sides of triangles and other figures |
| multicolored | having many colors |
| multimedia | combining more than two artistic techniques or means of communication or expression, such as acting, lighting effects, and music |
| multimillionaire | a person who has at least two million dollars |
| multiple | having many parts or elements |
| multitude | a large number of persons or things |
| biped | an animal having two feet |
| centipede | a long, many-segmented insect with a pair of legs on each segment |
| pedestal | the foot or bottom support of a statue, column, or other object |
| pedestrian | a person who travels on foot; a walker |
| pedicure | cosmetic care of the feet and toenails |
| pedometer | an instrument that measures distance walked by recording the number of steps |
| megaphone | a funnel-shaped device for amplifying or directing sound |
| microphone | an instrument that changes sound waves into electrical signals for transmission or amplification |
| phonetic | having to do with speech sounds |
| phonics | the rules of sound used in teaching reading and word pronunciation |
| xylophone | a percussion instrument consisting of tuned wooden bars struck with small hand-held hammers |
| post- | after |
| postdate | to date with a future |
| postgraduate | relating to studies beyond the level of a bachelor's degree |
| postpone | to put off to another time, to delay |
| postscript | a sentence, note, or paragraph added to a letter after the signature |
| postwar | after a war |
| preamble | a statement that introduces a formal document, explaining its purpose |
| precede | to come or go before in rank, time, or order |
| prehistoric | of the period before written history |
| preoccupied | wholly occupied or absorbed in one's thoughts; absentminded |
| preschool | school before kindergaren; nursery school |
| prevent | to take action before an event to stop the event from happening |