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 Er·len·mey·er flask /ˈɝlənˌmaɪ(ə)r, ˈɛrlən-/

 Er·len·mey·er flask /ˌɝlənˌmaɪ(ə)r, ˌɛrlən-/ 名詞

 Flask n.
 1. A small bottle-shaped vessel for holding fluids; as, a flask of oil or wine.
 2. A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.
 3. A bed in a gun carriage. [Obs.]
 4. Founding The wooden or iron frame which holds the sand, etc., forming the mold used in a foundry; it consists of two or more parts; viz., the cope or top; sometimes, the cheeks, or middle part; and the drag, or bottom part. When there are one or more cheeks, the flask is called a three part flask, four part flask, etc.
 Erlenmeyer flask, 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.
 Florence flask. [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.
 Pocket flask, a kind of pocket dram bottle, often covered with metal or leather to protect it from breaking.
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 Erlenmeyer flask
      n : a conical flask with a wide base and narrow neck