Main definitions of entrain in English

: entrain1entrain2entrain3

entrain1

verb

[NO OBJECT]formal
  • Board a train:

    ‘arriving in Bombay, they entrain and travel up the country’
    • ‘I'm going to be getting up early tomorrow and entraining for deepest darkest Wales, where I will be spending an extended weekend with family.’
    • ‘At Paddington, her wedding party entrains in a private saloon for the journey to Shropshire, enjoying ‘the low, rich purr of a Great Western express’ as far as Shrewsbury.’
    • ‘So, on Saturday morning I entrained for Brighton.’
    • ‘I did distribute the brochures to about 20 people entraining, detraining, and meeting people at the station that day.’
    • ‘We entrained at the camp & came on to Alexandria & thence to the boat.’
    be in time for, reach in time, make, get to
    View synonyms

Pronunciation:

entrain

/ɪnˈtreɪn/

Main definitions of entrain in English

: entrain1entrain2entrain3

entrain2

verb

[WITH OBJECT]
  • 1(of a current or fluid) incorporate and sweep along in its flow:

    ‘convection does not entrain liquids very far’
    • ‘Volcanic activity is often so violent that it entrains (picks up) pieces of ‘country rock’, which are not of volcanic origin.’
    • ‘The increased turbulence entrains bedload within the water column and carries it to the mouthbar, where it is deposited.’
    • ‘So that would have told you at least one of or both contained entrained hydrocarbons?’
    • ‘Both were occasionally high near the fishway, suggesting that reverse flow might entrain nutrients or phytoplankton.’
    • ‘Researchers have found that it is possible to use the large capillary pressures that are developed by fluids that are entrained within aerogels to produce an efficient pump that requires no moving parts.’
    1. 1.1formal Cause or bring about as a consequence:
      ‘the triumph of a revolution was measured in terms of the social revision it entrained’
      • ‘It entrains more reticent givers and an expanding array of scholarships attracts the attention of students, recruiters, faculty and the envy of competing departments.’
  • 2Biology
    (of a rhythm or something which varies rhythmically) cause (another) gradually to fall into synchronism with it:

    ‘electrical control is entrained throughout the stomach via adjacent muscle cells’
    • ‘One of the characteristics of a circadian oscillator is that the rhythm can be entrained by environmental cues, e.g., changes in ambient light, temperature, and nutrient conditions.’
    • ‘It acts as the body's principal circadian pacemaker, regulating and entraining daily rhythms of physiology and behavior.’
    • ‘Furthermore, lung denervated lung transplant patients, unlike intact subjects, showed much difficulty in entraining their spontaneous rhythm to the mechanical ventilator during sleep.’
    • ‘He demonstrated that melatonin synchronized and entrained circadian rhythms and developed a multiple-oscillator model of circadian organization that remains viable and important today.’
    • ‘They provided a detailed account of how attentional rhythms are entrained by external rhythms.’

Origin

Mid 16th century (in the sense ‘bring on as a consequence’): from French entraîner, from en- in + traîner to drag.

Pronunciation:

entrain

/ɪnˈtreɪn/

Main definitions of entrain in English

: entrain1entrain2entrain3

entrain3

noun

rare
  • [mass noun] Enthusiasm or animation.

Origin

French, from the phrase être en train (de) be in the process (of), be in action.

Pronunciation:

entrain

/ɪnˈtreɪn//ɛnˈtreɪn/