entrain

1
[ en-treyn ]
/ ɛnˈtreɪn /

verb (used without object)

to go aboard a train.

verb (used with object)

to put aboard a train.

Nearby words

  1. entozoan,
  2. entozoic,
  3. entozoon,
  4. entr'acte,
  5. entrails,
  6. entrammel,
  7. entrance,
  8. entrance pupil,
  9. entranceway,
  10. entrancing

Origin of entrain

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

Related formsen·train·er, noun

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 formsen·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

entrain

1
/ (ɪnˈtreɪn) /

verb

to board or put aboard a train
Derived Formsentrainment, noun

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 Formsentrainment, 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

Word Origin and History for entrain

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