DICTIONARY OF AUTOMOTIVE TERMS - "Nu"

Nuclear
Involving the inner part of an atom, the nucleus. Changes in the nucleus can release a lot of energy which can be used in the generation of power.
Nucleation site
A location where nucleation, i.e., the formation of new crystal nuclei in supersaturated solutions, starts
Nudge bar
See
Number
See
Number drill
See
Number drills
A series of drills in which each size is designated by a number (0-80).
Number one diesel fuel
Used in cold climates; sometimes blended with number two diesel fuel to increase number one's energy and two's cold weather performance
Numberplate
A British term for License plate
Numberplate lamp
British term for License plate light
Number two diesel fuel
Diesel fuel used in moderate climates
Nut
  1. A person who is greatly interested in a field such as Jim is a car nut.
    Also see
  2. A fastening device that is somewhat doughnut shaped with a number of flat surfaces on the outer rim and threads on the inner hole.
  3. A metal block (solid nut) or sleeve having an internal thread made to assemble with the external thread on a bolt, screw, or other threaded part. It may be a fastening means, an adjusting means, a means for transmitting motion, or a means for transmitting power with large mechanical advantage and nonreversible motion.
Also see
Nut cover
A cap or covering over a nut to protect it or to improve appearance.
Nut cracker
A tool used to crack open stubborn nuts without damaging the bolt or stud thread
Nut driver
A shaft with a handle on one end (like a screwdriver) and a socket on the other.
Also see
Nut end
The end of a stud on which a nut is screwed. The opposite is the Stud end
Nu-tread
See
Nut spanner
See
Nut spinner
A shaft with a handle on one end (like a screwdriver) and a socket on the other
Nut splitter
A tool used to crack open stubborn nuts without damaging the bolt or stud thread
Nut starter
A tool used to hold a nut for easy placement in tight locations
Nut thread
The internal thread of a nut
Nut wrench
See

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