entrain

[ en-treyn ]

/ ɛnˈtreɪn /

SEE MORE SYNONYMS FOR entrain ON THESAURUS.COM

verb (used without object)

to go aboard a train.

verb (used with object)

to put aboard a train.

Nearby words

entozoan, entozoic, entozoon, entr'acte, entrails, entrain, entrammel, entrance, entrance pupil, entranceway, entrancing

Origin of entrain

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

Related forms

en·train·er, noun

Definition for entrain (2 of 2)

entrain

[ 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

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

Harnessed up, and waited for orders to entrain for Pretoria.
In the Ranks of the C.I.V.|Erskine Childers
The next day (Sunday) we marched down to the station to entrain, marching off at 7-45.
Letters from France|Isaac Alexander Mack
He scarcely ever reached again this terseness and vivacity of style, and this entrain.
The English Novel in the Time of Shakespeare|J. J. Jusserand
Our orders are to entrain at Umballa for the front to-morrow.'
Kim|Rudyard Kipling

Perhaps some soldiers are going along to a place of meeting, where they expect to entrain for the front.
Motor Boat Boys Down the Danube|Louis Arundel

British Dictionary definitions for entrain (1 of 2)

entrain

/ (ɪnˈtreɪn) /

verb

to board or put aboard a train

Derived Forms

entrainment, noun

British Dictionary definitions for entrain (2 of 2)

entrain

/ (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