![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A compressed air coupling commonly used on European rail and road vehicles to connect one vehicle to the next.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A tanker of the maximum size capable of transit of the Panama Canal (approx. 50,000-80,000 DWT) (breadth normally the limiting factor)
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Panamax Plus are all Panamax ships authorised for fresh water draft greater than 12.04m up to 15.2m and approved for transit in the new locks.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Panamax ships are all ships that comply with the size and draft limitations of the existing (old) locks; namely, length 294.13m by 32.31m in breadth by 12.04 fresh water draft.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A term generally applied to individual solar collectors, and typically to solar photovoltaic collectors or modules.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A type of lamp having a lens of heavy durable glass that focuses the light. They have longer lifetimes with less lumen depreciation than standard incandescents.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A solar energy conversion device that has a bowl shaped dish covered with a highly reflective surface that tracks the sun and concentrates sunlight on a fixed absorber, thereby achieving high temperatures, for process heating or to operate a heat (Stirlin ...
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A solar energy conversion device that uses a trough covered with a highly reflective surface to focus sunlight onto a linear absorber containing a working fluid that can be used for medium temperature space or process heat or to operate a steam turbine fo ...
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
An emergency signal flare that will float down on a parachute after launch, hopefully improving its visibility.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A halo consisting of a faint white circle passing through the Sun and running parallel to the horizon for as much as 360
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Error that can be introduced when not reading an instrument, such as a compass, directly from its front, due to the separation of the indicator and the scale being read.