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氣體 (Gas)

An Object has the Attribute of Gas if it has neither a fixed volume nor a fixed shape.

Ontology

SUMO / QUALITIES

Class(es)

物理狀態
is instance of
  氣體  

Superattribute(s)

流體的
is subattribute of
  氣體  

Coordinate term(s)

流體的  液體的  固體的 

Related WordNet synsets

gaseousness
having the consistency of a gas
gaseousness is kind of (all)...   gaseousness is kind of...   kinds of gaseousness...   kinds of gaseousness (all)...  
gas
the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
gas is kind of (all)...   gas is kind of...  
gaseous
existing as or having characteristics of a gas; "steam is water is the gaseous state"
gaseous is opposite to...   gaseous is similar to...   gaseous is an attribute of  
See more related synsets on a separate page.

Axioms (4)

If boil 是 沸騰 的 實例 and obj 是 boil 的 受事者, then there exists part so that part 是 obj 的 部分) and 液體的 是 part 的 屬性 ""boil 存在 的 時間" 不久 之前"a(之中) "boil 存在 的 時間" 不久 之前 and 氣體 是 part 的 屬性 ""boil 存在 的 時間" 不久 之後"a(之中) "boil 存在 的 時間" 不久 之後. 
(=>
      (and
            (instance ?BOIL Boiling)
            (patient ?BOIL ?OBJ))
      (exists
            (?PART)
            (and
                  (part ?PART ?OBJ)
                  (holdsDuring
                        (ImmediatePastFn
                              (WhenFn ?BOIL))
                        (attribute ?PART Liquid))
                  (holdsDuring
                        (ImmediateFutureFn
                              (WhenFn ?BOIL))
                        (attribute ?PART Gas)))))
If cond 是 凝結 的 實例 and obj 是 cond 的 受事者, then there exists part so that part 是 obj 的 部分) and 氣體 是 part 的 屬性 ""cond 存在 的 時間" 不久 之前"a(之中) "cond 存在 的 時間" 不久 之前 and 液體的 是 part 的 屬性 ""cond 存在 的 時間" 不久 之後"a(之中) "cond 存在 的 時間" 不久 之後. 
(=>
      (and
            (instance ?COND Condensing)
            (patient ?COND ?OBJ))
      (exists
            (?PART)
            (and
                  (part ?PART ?OBJ)
                  (holdsDuring
                        (ImmediatePastFn
                              (WhenFn ?COND))
                        (attribute ?PART Gas))
                  (holdsDuring
                        (ImmediateFutureFn
                              (WhenFn ?COND))
                        (attribute ?PART Liquid)))))
固體的 對立於 液體的. 
(contraryAttribute Solid Liquid Gas)
窮盡的屬性. 
(exhaustiveAttribute PhysicalState Solid Fluid Liquid Gas)