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A rain gauge capable of measuring very small amounts of precipitation. Also called micropluviometer, trace recorder.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
An instrument which indicates the presence of precipitation. The ombroscope consists of a heated, water-sensitive surface which indicates by mechanical or electrical techniques the occurrence of precipitation.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Qualified Member of the Engine department. Unlicensed members of the engine department who attend to a fully automated engine room.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Said of a vessel when the depth of water can be measured by the lead (within the 100 fathom curve).
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Sailing close hauled. Sailing toward the wind as much as possible with the wind coming from the bow.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
Energy supplied during periods of relatively high system demands as specified by the supplier.
![](https://www.marineterms.com/media/com_mtree/images/noimage_thb.png)
A reel designed for receiving/rendering and storing the marine & on-shore cable