WordGarden.ioentrain
C2Pronunciation
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Meanings
Verb
to draw or trap particles, droplets, gas, or bubbles into a moving fluid or mixture
to synchronize a rhythm, cycle, or oscillator with another
to board a train or put someone or something aboard a train
More meaningsFewer meanings
to draw something along with oneself or cause something to follow as a result
Beyond the definition
Imagine a river carrying leaves downstream: that image captures much of how "entrain" works. In its most basic sense, it can mean to board a train or to put people or goods onto one. But the word travels far beyond the station. It often describes the way a moving fluid or current pulls something along with it, like air, dust, or bubbles caught in flowing water or wind. In a broader sense, it can also suggest being drawn into a process or movement, as if a larger force has swept you along.
"Entrain" is a versatile word with a history rooted in transportation, yet it has branched out into various scientific and figurative fields. In its most literal sense, it refers to the act of boarding a train or loading passengers and cargo for transport: "The troops were ordered to entrain at dawn."
Beyond the station, the word takes on a more fluid character. In physics and engineering, it describes the process of capturing and transporting particles or gases within a flow. For example, a fast-moving wind might entrain dust from the ground, carrying it high into the atmosphere. Similarly, in meteorology, it refers to the mixing of environmental air into a pre-existing cloud or current.
A third, highly significant use of the word occurs in biology and chronobiology. Here, to "entrain" means to synchronize a biological rhythm, like your sleep cycle, to an external cue such as the rising and setting of the sun. Your internal clock is entrained by light.
Whether it is a passenger stepping onto a locomotive, a particle caught in a current, or a heartbeat syncing to a rhythm, "entrain" beautifully describes the process of being caught up and carried along by a larger, moving force. It is a word of inclusion, movement, and synchronization.
Examples
- 1
River flow
The fast-moving current entrained sand and small stones from the riverbed.
- 2
Lab mixture
In the lab, extra air was accidentally entrained into the mixture.
- Patternentrain X into a flow or mixture
pull it in and carry it along
- 3
Body clock
Getting sunlight early in the day can help entrain your body clock to a new time zone.
- Patternentrain X to a rhythm
make it match that rhythm
See also
Similar
- carry along
- draw in
Shades of meaning
- sweep along
- synchronize
- incorporate
Contrast
Used with (collocations)
- entrain air
- entrain particles
- entrain circadian rhythms
Word family
- entrainment
- entrained
Explore
- fluid dynamics
- rhythmic entrainment
Forms and spellings
1 form open this card.
Main spelling
- entrainverb