A glass container commonly used in laboratories to hold liquids. The most common shapes of flask are a conical body with a tubular neck (an [[Erlenmeyer flask]]) and a spherical body with a tubular neck (a [[round-bottom flask]]). 

h4. Types

* [[Erlenmeyer flask]]
* [[heart-shaped flask]]
* [[round-bottom flask]]
* [[volumetric flask]]

h4. See also

* [[beaker]]
* [[canteen]]
* [[graduated cylinder]]
* [[hip flask]]
* [[retort]]
* [[science]] 
* [[test tube]] 
* [[thermos]] (also known as a vacuum flask or vacuum bottle)
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