entrained

IPA/ɛntɹˈeɪnd/
IPA/ɛntɹˈeɪnd/

entrained — verb

1. to get onto a train, or to load people or goods onto one.

1.verbtransitive / intransitiveC2
Definition

to get onto a train, or to load people or goods onto one.

Example

At dawn, the soldiers entrained at Tours for the trip east.

entrain at + station/place

Station staff entrained the racehorses in padded cars before sunset.

entrain + goods/animals + in cars

Common collocations
  • entrain at the station
  • entrain the horses
  • entrain the mail sacks

Grammar Patterns

entrain + at/from + station

entrain + passengers/goods + in/onto + train

Usage Note

Usually seen in historical, military, or railway writing. Distinguish from sense 2: this sense is about trains, not about a rhythm changing to match an outside cue.

2. to make a rhythm or cycle line up with an outside signal, or to become lined up

2.verbtransitive / intransitiveC2
Definition

to make a rhythm or cycle line up with an outside signal, or to become lined up with it.

Example

After three mornings outside, the baby's sleep cycle entrained to sunrise.

be entrained to + cue

Blue lamps entrained the fish to a feeding hour near dusk.

entrain + animals + to + timing cue

Common collocations
  • entrain the body clock
  • entrain to light
  • entrain to a beat

Grammar Patterns

entrain + rhythm/clock + to + cue

be/become entrained to + cue

Usage Note

Often appears with body clock, rhythm, or animals and with 'to' after the verb. Distinguish from sense 3: sense 2 changes timing, while sense 3 carries material in moving air or water.

3. to let moving air or water pull particles or gas into its stream and carry them

3.verbtransitiveC2
Definition

to let moving air or water pull particles or gas into its stream and carry them onward.

Example

The pump entrained sand and pushed it into the cooling pipe.

entrain + particles in a moving stream

Strong surf entrained seaweed and foam near the black rocks.

Common collocations
  • entrain sand
  • entrain dust
  • entrain air

Grammar Patterns

entrain + particles/gas

be entrained in/by + flow

Usage Note

The subject is usually moving air, water, or another fluid. Distinguish from sense 4: sense 3 pulls material inside a flow, not behind a solid object.

4. to pull another thing behind or beside a moving object so it travels with it.

4.verbtransitiveC2
Definition

to pull another thing behind or beside a moving object so it travels with it.

Example

The runaway cart entrained two loose bags as it rolled downhill.

entrain + loose objects behind a mover

Her long wedding dress entrained wet leaves across the garden path.

Common collocations
  • entrain loose bags
  • entrain leaves
  • entrain rafts

Grammar Patterns

entrain + object + behind/with + mover

Usage Note

Usually describes a moving solid object pulling other things behind it. Unlike sense 3, the carried items are not suspended inside a stream of air or water.

5. to mix many tiny air bubbles through wet concrete so it handles freezing weather

5.verbtransitiveC2
Definition

to mix many tiny air bubbles through wet concrete so it handles freezing weather better after it hardens.

Example

The crew entrained tiny air bubbles in the bridge deck mix.

entrain air bubbles in concrete mix

The contractor entrained more air after the forecast warned of ice.

Common collocations
  • entrain air
  • entrain bubbles
  • entrain air into concrete

Grammar Patterns

entrain + air + in/into + concrete

Usage Note

Mostly used in construction or materials science. The object is air, and the result is concrete that resists freezing and thawing more effectively.