entrain

1
[ en-treyn ]
/ ɛnˈtreɪn /

verb (used without object)

to go aboard a train.

verb (used with object)

to put aboard a train.

Origin of entrain

1
First recorded in 1880–85; en-1 + train

Related forms

en·train·er, noun

Definition for entrain (2 of 2)

entrain

2
[ en-treyn ]
/ ɛnˈtreɪn /

verb (used with object)

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.
(of a liquid) to trap (bubbles).
Meteorology. to transfer (air) into an organized air current from the surrounding atmosphere (opposed to detrain).

Origin of entrain

2
1560–70; < Middle French entrainer, equivalent to en- en-1 + trainer to drag, trail; see train

Related forms

en·train·ment, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for entrain

British Dictionary definitions for entrain (1 of 2)

entrain

1
/ (ɪnˈtreɪn) /

verb

to board or put aboard a train

Derived Forms

entrainment, noun

British Dictionary definitions for entrain (2 of 2)

entrain

2
/ (ɪnˈtreɪn) /

verb (tr)

(of a liquid or gas) to carry along (drops of liquid, bubbles, etc), as in certain distillations
to disperse (air bubbles) through concrete in order to increase its resistance to frost
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012