| A | B |
| thermotropism | tendency of a plant to grow toward or away from a source of heat. |
| trope | a turning - a figure of speech (pun) |
| heliotrope | flower that turns toward the sun (ex. sunflower) |
| tropic | either of the two parallels of latitude at a distance of about 23 degrees north or south of the equator |
| cosmogony | the origin of the universe |
| cosmic | relating to the universe as a whole |
| cosmography | description of the world |
| microcosm | a little world - a miniature universe - a community |
| cosmology | study of the universe |
| cosmos | the universe |
| necropolis | cemetery |
| necromancy | black magic or trickery |
| necropsy | examination of a dead body or an autopsy |
| necrophobia | fear of dead bodies or death |
| necrology | study of death |
| necrophilism | abnormal obsession with the dead |
| petrify | to make stiff or inflexible or shocked with fear |
| petrous | like rock or hard or stony |
| petrolatum | greasy and jelly-like substance made up of semisolid hydrocarbons - a base for ointments |
| petroleum | oil pressed deep in the earth’s rocks that is taken to use in making gas for cars |
| petroglyph | a rock carving - especially a prehistoric one |
| idioms | the language or dialect of a people or region or class |
| ideograph | monogram - a person’s initials or signature |
| idiosyncrasy | a person’s peculiar manner or habit |
| idiophone | musical instruments that consist of wood or metal and capable of making sound (like a triangle or chimes) |
| pedagogue | teacher (leader of children) |
| demagogue | a person who appeals to the prejudices and emotions of people to gain his own selfish ends |
| demagogy | methods or actions and principles of a demagogue |
| mystagogue | a person who interprets religious mysteries or initiates others into them |
| cataplasia | a change in cells or tissue in which it reverts to an earlier stage (a breakdown to previous stage) |
| plasticize | to make or become plastic |
| plastic | a moldable substance made of manmade fibers |
| cryptogram | something written in code or numbers |
| cryptic | secret |
| cryptogenic | or unknown or obscure origin |
| crypt | au underground chamber or vault |
| cryptonym | a secret name |
| mechanotherapy | treatment of disease by mechanical means such as massage |
| mechanic | one who works on machines |
| mechanical | the quality of working like a machine (like a mechanical pencil) |
| machine | an object that does work |
| mechanize | to make into a machine |
| mechanism | an object that works |
| isotope | any of two or more forms of an element which have similar properties and the same atomic numbers but different atomic weight |
| isosceles | a triangle with two equal sides |
| isobar | indicates that there is equal pressure on every side. |
| isotherm | areas on a weather map with the same temperature (heat) and pressure |
| isobar | lines on a weather map that separates areas of equal pressure |
| stereoscope | instrument for viewing things in 3 dimensions |
| stereophonic | hearing sound from 3 directions |
| stereotype | one who conforms to a set idea or image |
| cosmopolitan | having “city” ways or being sophisticated and knowledgeable in the ways of life - worldly |
| metropolis | a major city |
| police | people who protect a city |
| metropolitan | having the qualities of a city |