flask : Idioms & Phrases

• noun vacuum flask that holds liquid air or helium for scientific experiments
  Dewar.
  

WordNet

• noun a conical flask with a wide base and narrow neck
  

WordNet

• a thin glass flask, flat-bottomed and cone-shaped to allow of safely shaking its contents laterally without danger of spilling; so called from Erlenmeyer, a German chemist who invented it.

Webster 1913

• . From Florence in Italy. (a) Same as Betty, n., 3. (b) A glass flask, round or pear-shaped, with round or flat bottom, and usually very thin to allow of heating solutions.

Webster 1913

• noun a flask that holds spirits
  hipflask.
  

WordNet

• a kind of pocket dram bottle, often covered with metal or leather to protect it from breaking.

Webster 1913

• noun container for carrying gunpowder; made of the hollow horn of an animal
  powder horn.
  

WordNet

• noun a spherical flask with a narrow neck
  

WordNet

• (Molding), a flask for small work, having its sides separable and held together by latches, so that the flask may be removed from around the sand mold.

Webster 1913

• noun vacuum flask that preserves temperature of hot or cold drinks
  thermos bottle; thermos.
  

WordNet

• noun flask with double walls separated by vacuum; used to maintain substances at high or low temperatures
  vacuum bottle.
  

WordNet