- In
modal logic and the
philosophy of language, a term is said to be a
rigid designator or
absolute substantial term when it
designates (picks out, denotes...
- A
rigid airship is a type of
airship (or dirigible) in
which the
envelope is
supported by an
internal framework rather than by
being kept in
shape by...
- (this has also
happened with semi-
rigid airships with weak keels). This led to the
development of semi-
rigids and
rigid airships.
Modern blimps are launched...
- In mathematics, a
rigid transformation (also
called Euclidean transformation or
Euclidean isometry) is a
geometric transformation of a
Euclidean space...
- In physics, a
rigid body, also
known as a
rigid object, is a
solid body in
which deformation is zero or negligible, when a
deforming pressure or deforming...
- A
rigid inflatable boat (RIB), also
rigid-hull
inflatable boat or
rigid-hulled
inflatable boat (RHIB), is a
lightweight but high-performance and high-capacity...
- Armour-piercing
composite rigid (APCR), also
known as High-Velocity Armour-Piercing (HVAP) Armour-piercing
composite non-
rigid (APCNR), also
known as Armour-Piercing...
-
category theory, a
branch of mathematics, a
rigid category is a
monoidal category where every object is
rigid, that is, has a dual X* (the
internal Hom...
-
Rigid constitution is a
constitution which stands above the
other laws of the country,
while flexible constitutions do not. A. V.
Dicey defines a rigid...
- In mathematics,
rigid cohomology is a p-adic
cohomology theory introduced by
Berthelot (1986). It
extends crystalline cohomology to
schemes that need...