TB 43-0213
APPENDIX F
GLOSSARY OF TERMS
The following is an alphabetical list of terms found in this technical bulletin. Many of these terms describe design
configurations found on Army vehicles. Others refer to aspects of corrosion discussed in the introductory chapters
of this technical bulletin.
"A" Pillar
Front windshield pillar at door opening.
Plastic or rubber plug used to fill holes in sheet metal.
Access Plug
High concentrations of chemical contaminants in the atmosphere which are driven
Acid Rain
to earth by natural rainfall. Occurs mostly in heavy industrial areas.
Describes a metal, such as iron or steel, that is especially susceptible to corrosion.
Active Metal
A compound added to a fuel or lubricant to prevent corrosion, gum formation,
Additive
varnishing, sludge, and/or knocking.
A hidden obstruction, usually made of sheet metal, used as a support in the design
Baffle
of a vehicle, or to prevent water or dirt from entering the area.
An imaginary line on a vehicle, usually in reference to a line along the bottom of a
Belt Line
vehicle's window, or up to and including the rubrail of cargo trucks.
Any area in a vehicle design that is totally or almost totally enclosed.
Box Section
The breakdown of an organic coating to a powdery, chalky residue.
Chalking
In vehicle design, an open support member found as U-shaped or A-shaped half
Channel
circle cross sections.
The process of dissolving or wearing away.
Corrosion
That part of a vehicle located between the front windshield and the rear of the
cowl
hood.
Corrosion occurring in a crevice formed by two or more sections of same or different
Crevice Corrosion
metals.
The arc-like section of a vehicle's rear support pillar located in from the rear wheel
Dogleg
house.
Doorjamb
See Pillar.
The outer sheet metal of a door.
Door Skin
A chemical substance which contains electrically charged particles capable of
Electrolyte
maintaining or holding an electric current.
The breaking away of surface material into flakes or layers.
Exfoliation
Slang term for the extension of the front fender over vehicle headlights.
Eyebrow
Fender Brace
See Fender Support.
Fender Cap
The cap at the end of some fender designs used to either finish the fender or to
extend it.
F-1
