Across
- 1. having lost a large amount of water from the body.
- 9. a brilliant performance or display, especially of a specified skill.
- 11. a device for measuring short time intervals, especially in determining the velocity of projectiles, or a person's reaction time.
- 12. the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
- 14. an obsessive desire to set fire to things.
- 15. (of an illness) persisting for a long time or constantly recurring.
- 18. a factual written account of important or historical events in the order of their occurrence.
- 19. a light, fast motorboat designed to skim over the surface of water.
Down
- 1. a metric unit of length, equal to one tenth of a meter.
- 2. a metric unit of length equal to 1,000 meters (approximately 0.62 miles).
- 3. (of a record of events) starting with the earliest and following the order in which they occurred.
- 4. a device used by musicians that marks time at a selected rate by giving a regular tick.
- 5. the science of surveying and charting bodies of water, such as seas, lakes, and rivers.
- 6. an instrument on a vehicle's dashboard indicating its speed.
- 7. existing or occurring at the same time.
- 8. a boat whose hull is fitted underneath with shaped vanes (foils) that lift the hull clear of the water to increase the boat's speed.
- 10. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
- 13. an instrument for measuring the density of liquids.
- 16. archaic term for hydrochloric acid.
- 17. an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude.
