follow Dictionary.com

Stories We Like: Novels For Language Lovers

entrain1

[en-treyn] /ɛnˈtreɪn/
verb (used without object)
1.
to go aboard a train.
verb (used with object)
2.
to put aboard a train.
Origin
1880-1885
1880-85; en-1 + train
Related forms
entrainer, noun

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
1560-70; < 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.
Cite This Source
British Dictionary definitions for entrain

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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for 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
Cite This Source

Word of the Day

Difficulty index for entrain

Some English speakers likely know this word

Word Value for entrain

7
9
Scrabble Words With Friends

Nearby words for entrain