A unit used when measuring atmospheric pressure. 33.86 millibars.

Safety Equipment Certificate

A guy who gets Head (toilet) cleaning detail.

A term used to designate an object for which the correct name has been forgotten.

Any small collar made with spunyarn or light line to hold something in place.

An instrument that can be modified or cancelled at any moment without notice to and agreement of the beneficiary, but customarily includes a clause in the credit to the effect that any draft negotiated by a bank prior to the receipt of a notice of revocat ...

Always within Institute Warranties Limits (Insurance purpose).

A device, similar to a potometer, for measuring transpiration, consisting of a vessel containing soil in which one or more plants are rooted and sealed so that water can escape only by transpiration from the plant.

In blue water beyond the 100-fathom line.

Fishing Vessel

Devices used between rotating and stationary parts to separate, and minimized leakage between, areas of unequal pressures.

Remove a boat from the water.

A boat which uses the wind as its primary means of propulsion.

Bound together.

A tiller that is designed to be used in the event that wheel steering fails.

Military Transportation Management Command

Portable Sampling Unit

A comparison of a carrier's operating expense with its net sales. The most general measure of operating efficiency.

A nonpolarizable electrode with a known and highly reproducible potential used for potentiometric and voltammetric analyses. See also calomel electrode.