| Term | Definition |
|---|
| acoustic | Pertaining to the act or sense of hearing. |
| allegedly | supposedly; believed to be so but not yet proved |
| amenities | things that make you comfortable and at ease |
| ballast | any heavy material used to stabilize a ship or airship |
| bow | front part of a vessel or aircraft |
| buoyancy | Power or tendency to float on or in a liquid or gas. |
| crow's nest | a lookout place high on a ship |
| debris | the remains of something that has been destroyed or broken up |
| density | The mass of an object divided by its volume, the density of water is 1 g/ml. |
| echosounder | a device that bouncessound waves off of objects to determine distance |
| fiber optics | the transmission of light signals via glass fibers |
| heroine | a woman possessing heroic qualities or a woman who has performed heroic deeds |
| hydrophone | a device used to find the source of underwater sounds |
| Marconi | Italian electrical engineer known as the father of radio (1874-1937) |
| microbiology | the branch of biology that studies microorganisms and their effects on humans |
| oceanography | the branch of science dealing with physical and biological aspects of the oceans |
| optimize | act as an optimist and take a sunny view of the world |
| perish | pass from physical life and lose all all bodily attributes and functions necessary to sustain life |
| propulsion | A driving onward or forward. |
| prototype | a standard or typical example |
| rendering | the act of interpreting something as expressed in an artistic performance |
| ROV | Remotely Operated Vehicle |
| rusticle | rust colored growths shaped like icicles that eat metal |
| scuba | a device (trade name Aqua-Lung) that lets divers breathe under water |
| socialite | a socially prominent person |
| sonar | a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return |
| stern | the rear part of a ship |
| starboard | the right side of a ship or aircraft to someone facing the bow or nose |
| submersible | an apparatus intended for use under water |
| telegraph | apparatus used to communicate at a distance over a wire (usually in Morse code) |
| tether | restraint consisting of a rope (or light chain) used to restrain an animal |
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