-Ball lightning – a rare form of lightning that may consist of a reddish, luminous bal of electricity
or charged air
-Beam - the breadth of a ship
-Bilge
- the lower levels of a hold or compartment where water and sludge is collected
-Binnacle
- metal or wooden housing for the magnetic compass
-Black body - a hypothetical object that absorbs all of the radiation that strikes it.
It also emits radiation at a maximum rate of its given temperature
-Bow
- the pointy end of a ship
-Bridge
- where the navigation happens; also referred to as the "wheelhouse" or "conning station;" usually houses the helm and equipment
required for navigation
-Bulkhead
- wall on a ship
