Lexus LS460 Owner's Manual page 579

Tire related term
Overall width
Passenger car tire
Ply
Ply separation
Pneumatic tire
Radial ply tire
Reinforced tire
Section width
Sidewall
Sidewall separation
Snow tire
Test rim
LS460/LS460L_U (OM50G04U)
8-1. Specifications
Meaning
The linear distance between the exteriors of the side-
walls of an inflated tire, including elevations due to
labeling, decorations, or protective bands or ribs
A tire intended for use on passenger cars, multipur-
pose passenger vehicles, and trucks, that have a
gross vehicle weight rating (GVWR) of 10,000 lb. or
less.
A layer of rubber-coated parallel cords
A parting of rubber compound between adjacent
plies
A mechanical device made of rubber, chemicals, fab-
ric and steel or other materials, that, when mounted
on an automotive wheel, provides the traction and
contains the gas or fluid that sustains the load
A pneumatic tire in which the ply cords that extend to
the beads are laid at substantially 90 degrees to the
centerline of the tread
A tire designed to operate at higher loads and at
higher inflation pressures than the corresponding
standard tire
The linear distance between the exteriors of the side-
walls of an inflated tire, excluding elevations due to
labeling, decoration, or protective bands
That portion of a tire between the tread and bead
The parting of the rubber compound from the cord
material in the sidewall
A tire that attains a traction index equal to or greater
than 110, compared to the ASTM E-1136 Standard
Reference Test Tire, when using the snow traction test
as described in ASTM F-1805-00, Standard Test
Method for Single Wheel Driving Traction in a
Straight Line on Snow-and Ice-Covered Surfaces,
and which is marked with an Alpine Symbol (
on at least one sidewall
The rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
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