A lead with only one outlet



Related Terms

MARK

  1. An artificial or natural object of easily recognizable shape or color, or both, situated in such a position that it may be identified on a chart. A fixed artificial navigation mark is often called a BEACON. This may be lighted or unlighted. Also called NAVIGATION MARK; SEAMARK.
  2. A major design or redesign of an instrument, denoted by a number. Minor changes are designated MODIFICATIONS.
  3. One of the bits of leather, cloth, etc., indicating a specified length of a lead line.
  4. An indication intended as a datum or reference, such as a bench mark.

TACKING DUELS

In sailboat racing on an upwind leg of the race course the complex manoeuvres of lead and overtaking boats to vie for the aerodynamic advantage of clear air. This results from the ongoing strategy of the lead boat's effort to keep the following boat(s) in the blanket of disturbed bad air he is creating.

DEEP SEA LEAD

A heavy sounding lead (about 30 to 100 pounds), usually having a line 100 fathoms or more in length. A light deep sea lead is sometimes called a COASTING LEAD. Sometimes called DIPSEY LEAD.

DUTCH PROCESS

A process for making white lead; metallic lead is placed in vessels containing a dilute acetic acid, and the vessels are stacked in bark or manure.

SHORE LEAD

A lead between pack ice and the shore or between pack ice and an ice front.

GROUND LOG

A device for determining the course and speed over the ground in shallow water consisting of a lead or weight attached to a line. The lead is thrown overboard and allowed to rest on the bottom. The course over ground is indicated by the direction the line tends and the speed by the amount of line paid out in a unit of time.

ELECTRONIC PACKAGING

The technology of packaging electronic equipment; in current usage it refers to inserting discrete components, integrated circuits, and MSI and LSI chips (usually attached to a lead frame by beam leads) into plates through holes on multilayer circuit boards (also called cards), where they are soldered in place.

EVEN PITCH

The pitch of a screw in which the number of threads per inch is a multiple (or submultiple) of the threads per inch of the lead screw of the lathe on which the screw is cut.

AIR SWEETENING

A process in which air or oxygen is used to oxidize lead mercaptides to disulfides instead of using elemental sulfur.

CHAMBER PROCESS

An obsolete method of manufacturing sulfuric acid in which sulfur dioxide, air, and steam are reacted in a lead chamber with oxides of nitrogen as the catalyst.

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