strain off(redirected from straining it off)
To use a filter in order to extract or remove solids from a liquid or gas. Can be used in reference to either the solid or liquid in a sentence. A noun or pronoun can be used between "strain" and "off." Strain most of the water off from the pasta, leaving a little bit in the pot to mix with your sauce. Strain off the fat from the top of the soup and then return the mixture to a boil.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
To separate some liquid from a solid by filtration: After boiling the rice, I strained off the excess water in the pot. The chemist strained the water off from the top of the solution in the beaker.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.