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entrain2

[en-treyn] /ɛnˈtreɪn/
verb (used with object)
1.
Chemistry. (of a substance, as a vapor) to carry along (a dissimilar substance, as drops of liquid) during a given process, as evaporation or distillation.
2.
(of a liquid) to trap (bubbles).
3.
Meteorology. to transfer (air) into an organized air current from the surrounding atmosphere (opposed to detrain).
Origin
1560-1570
1560-70; < Middle French entrainer, equivalent to en- en-1 + trainer to drag, trail; see train
Related forms
entrainment, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for entrainment
  • Our talent for unconscious entrainment lies at the core of dance, a confluence of movement, rhythm and gestural representation.
  • Drop back to the next largest particle size to determine the largest particle size to be used in the entrainment calculation.
  • Dust emission and air entrainment data are needed for designing adequate and effective control methods.
  • entrainment rates are inferred from measurements of air flow through a door or window and from room temperature da ta.
  • The term entrainment, in this context, is the active loss of fish out of the reservoir through the dam.
British Dictionary definitions for entrainment

entrain1

/ɪnˈtreɪn/
verb
1.
to board or put aboard a train
Derived Forms
entrainment, noun

entrain2

/ɪnˈtreɪn/
verb (transitive)
1.
(of a liquid or gas) to carry along (drops of liquid, bubbles, etc), as in certain distillations
2.
to disperse (air bubbles) through concrete in order to increase its resistance to frost
3.
(zoology) to adjust (an internal rhythm of an organism) so that it synchronizes with an external cycle, such as that of light and dark
Derived Forms
entrainment, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for entrainment

entrain

v.

"to draw along," 1560s, from French entrainer (12c.), from en- "away" (see en- (1)) + trainer "to drag" (see train (n.)). Related: Entrained; entrainment. A word in chemistry; the word meaning "to get on a locomotive train" is a native formation from the 1860s.

Online Etymology Dictionary, © 2010 Douglas Harper
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