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en·train 1

tr.v. en·trained, en·train·ing, en·trains
1. To pull or draw along after itself.
2. Chemistry To carry (suspended particles, for example) along in a current or into the vapor phase.

[French entrainer, from Old French : en-, in; see en-1 + trainer, to drag; see train.]

en·train′er n.
en·train′ment n.

en·train 2

v. en·trained, en·train·ing, en·trains
To go aboard a train.
To put aboard a train.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(General Engineering) a device that facilitates the saturation of a gas or steam current by means of liquid
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
* Air entrainment and static control agents for construction
"There is also a need to prevent air entrainment into our product without the use of a vacuum.
Water flow vertically falling in smooth water surface stimulates air entrainment in the depth of water.
A high velocity flow occurring downstream of the gate causes air entrainment, resulting in subatmospheric air pressure in the conduit.
The product is polymer modified for enhanced durability and adhesion, with integral air entrainment for protection from damage caused by freeze/thaw cycles and deicing chemicals.
The department specified 30 percent slag cement for its increased durability, ASR mitigating properties and a basis for stable development of air entrainment. The slag cement was utilized as a component in an ASTM C 595 blended cement to best meet the logistics of the project.
Zhang, "Effect of air entrainment on the height of buoyant turbulent diffusion flames for two fires in open space," Proceedings of the Combustion Institute, 2016.
High makeup air velocity may increase air entrainment into a flame to significantly affect fire development and smoke movement within a compartment.