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- Bay of Fundy : A bay on the Gulf of Maine's northeast end, mostly between New Brunswick and Nova Scotia but touching upon Maine.
- Boston, Lincolnshire : Port in Lincolnshire on the East coast of England.
- Earthquake : Sudden motion or trembling of Earth, which results from shock waves generated by the elastic movement of rock masses deep within the Earth, particularly near boundaries of tectonic plates.
- Littoral (military) : In a military context, waterways where relatively light shore-based weapons are potential threats, and in water shallow enough to change the "blue ocean" techniques for submarine warfare.
- Marine biology : The study of life in the seas and oceans.
- Month : Unit of time originally corresponding approximately to one cycle of the moon's phases, or about 30 days or 4 weeks.
- Ocean circulation : The constant motion of the ocean waters caused by winds, the gravity pull of both Moon and Sun and seawater density differences.
- Sun : The star that defines our solar system.
- Tidal force : Gravitational forces acting on an extended body as a result of the varying distance between the source of the gravitational force, and the different parts of the extended body.
- Universal Time : (UT) A measurement of time based on the rotation of the Earth as determined by astronomical observations; it may vary by as much as 0.9 seconds from Coordinated Universal Time (UTC).
- Venus (planet) : The second planet from the Sun in our solar system; named after the Roman goddess of love.