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rigid (Rigid)

The shape of an Object with this Attribute cannot be altered.

Ontology

SUMO / QUALITIES

Class(es)

shape attribute
is instance of
  rigid  

Coordinate term(s)

fillable  pliable 

Related WordNet synsets

hardness
the property of being rigid and resistant to pressure; not easily scratched
hardness is opposite to...   hardness is kind of (all)...   hardness is kind of...   kinds of hardness...   kinds of hardness (all)...   hardness is an attribute of  
firmness
the property of being unyielding to the touch
firmness is kind of (all)...   firmness is kind of...  
stiffness
the physical property of being inflexible and hard to bend
stiffness is kind of (all)...   stiffness is kind of...  
inelasticity
the lack of elasticity
inelasticity is opposite to...   inelasticity is kind of (all)...   inelasticity is kind of...   kinds of inelasticity...   kinds of inelasticity (all)...  
rigidity, rigidness
the physical property of being stiff and resisting bending
rigidity is kind of (all)...   rigidity is kind of...   kinds of rigidity...   kinds of rigidity (all)...  
rigid, stiff
incapable of or resistant to bending; "a rigid strip of metal"; "a table made of rigid plastic"; "a palace guardsman stiff as a poker"
rigid is similar to...  
See more related synsets on a separate page.

Axioms (2)

rigid is opposed to pliable. 
(contraryAttribute Rigid Pliable)
If obj is an instance of self connected object, then pliable is an attribute of obj or rigid is an attribute of obj. 
(=>
      (instance ?OBJ SelfConnectedObject)
      (or
            (attribute ?OBJ Pliable)
            (attribute ?OBJ Rigid)))