Definitions for "Rigid"
Firm; stiff; unyielding; not pliant; not flexible.
Deficient in or devoid of flexibility. Stiff and unyielding. One of the most important concepts to understand as a machinist.
stiff and unyielding Minnesota: Bison Toolbox
Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence.
Unbending, inflexible.
incapable of adapting or changing to meet circumstances; "a rigid disciplinarian"; "an inflexible law"; "an unbending will to dominate"
Word used to define one particular type of STAR caster. Rigid casters do not revolve horizontally, only roll vertically. As opposed to STAR CASE Swivel casters.
A caster that doesn't swivel, but still rolls forward and back. Also known as a "fixed" or "stationary" caster.
fixed and unmoving; "with eyes set in a fixed glassy stare"; "his bearded face already has a set hollow look"- Connor Cruise O'Brien; "a face rigid with pain"
Keywords:  propensity, stretch
Does not stretch.
No propensity to stretch.
Keywords:  suspension, hardtail, axle, bike, rear
a bike with no suspension.
Also know as a hardtail. This type of frame that has no swing arm, it is one piece from the neck to the rear axle. There is no rear suspension system on these frames.
In mathematics, suppose C is a collection of mathematical objects (for instance sets or functions). Then we say that C is rigid if every c \in C is uniquely determined by less information about c than is necessary a priori.
Keywords:  cab, chassis, cargo, vehicle, section
Vehicle where cab and cargo section are on same chassis.
similar to 'spasticity' but no 'give' at any point in the range of movement