| A | B |
|---|
| Quasars | quasi-stellar radio source |
| Quadrillion - a unit of energy | equivalent to one quadrillion BTU's |
| Quantum Theory involves transference | of energy at the atomic or molecular level |
| Quark - a hypothetical particle | that carries a fractional charge |
| Quartz | a mineral of silicon dioxide |
| Quartzite - a metamorphic | rock composed of quartz |
| Quechua - Amerindian | language spoken in Peru and Bolivia |
| Quetzal - a Central American | bird with brilliant plumage |
| Quid pro quo | something for something |
| Quinacrine | an antimalarial drug |
| Quisling - a Norwegian who | collaborated with the Nazis |
| Quixotic - a foolish or | impractical pursuit of ideals |
| Quotient - number resulting | from the division of one number by another |
