drain out

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drain out

1. To flow or move out of something, as of a liquid. Because the stopper had come loose, most of the water had drained out of the tub by the time I came back for my bath.
2. To cause a liquid to flow or move out of something. In this usage, a noun or pronoun can be used between "drain" and "out." Can you drain the water out? I don't want the pasta to get soggy.
3. To cause something to be emptied of a fluid. In this usage, a noun or pronoun can be used between "drain" and "out." You'll want to drain these tubs out before you try to move them.
See also: drain, out
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

drain out

to flow out or empty. All the milk drained out of the container onto the bottom of the refrigerator. All the oil drained out of the crankcase.
See also: drain, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Now you've got a caustic cocktail of chemicals in the sink that could cause damage as it splashes or drains out while you use other methods to clear the problem.