Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
piloerection
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "piloerection" is correct and usable in written English.
It is typically used in biological or physiological contexts to describe the process where hair stands on end, often in response to cold or emotional stimuli. Example: "During the cold winter months, many people experience piloerection as their body attempts to conserve heat."
✓ Grammatically correct
Science
Wiki
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
All animals were observed and developed signs of infection (piloerection, lethargy, tachypnea or weight loss).
Seizures in temporal lobe epilepsy (TLE) can cause cutaneous autonomic symptoms, including flushing, pallor, sweating and piloerection.
Science
Postural communication in wolves consists of a variety of facial expressions, tail positions and piloerection.
Wiki
During piloerection, the guard hairs on the back are raised and the skin folds spread, thus releasing scent.
Wiki
Within an hour victims generally develop more severe local pain with local sweating and sometimes piloerection (goosebumps).
Wiki
Dominance is also established through biting (especially of the ears), piloerection, aggressive noises, head thrusts, and leaping attacks.
Wiki
Although none of the doses induced lethality, multiple injections of OMVs (5 µg) caused eye exudates and piloerection (Fig. 3B).
Science
Based on the piloerection intensity data, onset and offset of piloerection were identified.
Science
Participants reported to experience piloerection when no piloerection was detected in 11% of the trials.
Science
The subjective experience associated with the piloerection condition was compared to the matched no-piloerection condition.
Science
Piloerection incidence was contrasted with the incidence of subjective reports on piloerection and chills.
Science
Expert writing Tips
Best practice
When writing about physiological responses, use "piloerection" to maintain a formal or scientific tone, especially in medical or biological contexts.
Common error
Avoid assuming "piloerection" is always a sign of fear or cold; it can also indicate strong emotional responses like awe or nostalgia. Provide context to clarify the cause.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
Piloerection" functions primarily as a noun, denoting a physiological response. It is often used in medical, scientific, and general contexts to describe the erection of hairs or papillae on the skin. Ludwig AI confirms its correct and usable status in written English.
Frequent in
Science
75%
Wiki
20%
News & Media
5%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "piloerection" is a grammatically correct and frequently used noun that describes the erection of hairs on the skin, often referred to as goosebumps. Ludwig AI confirms its usability in English writing. It's commonly found in scientific and medical contexts, as well as general discussions, to precisely describe this physiological response to cold, fear, or emotional stimuli. While "goosebumps" is a more common synonym, "piloerection" offers a more formal and technical alternative. Remember to provide context to clarify the trigger behind "piloerection", as it can be both a physical and emotional response.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
goosebumps
A common term for the same physiological phenomenon, but less formal.
goose pimples
Another common synonym for piloerection, generally used in informal contexts.
horripilation
A more formal and technical synonym for piloerection.
hair standing on end
Describes the physical manifestation of piloerection.
pilomotor response
Focuses on the muscular reflex causing the hair to stand.
cutaneous vasoconstriction
Related physiological response that often accompanies piloerection.
cold shivers
Describes one potential cause/sensation associated with piloerection.
skin crawling
A sensation sometimes associated with piloerection, especially due to fear or unease.
shuddering
An involuntary trembling response that can trigger piloerection.
frisson
Describes the emotional shiver caused by aesthetically pleasing stimuli, which also includes piloerection.
FAQs
How to use "piloerection" in a sentence?
"Piloerection" typically describes a physiological response. For example, "The patient exhibited "piloerection due to cold"" or "Emotional music triggered "piloerection"."
What can I say instead of "piloerection"?
Depending on the context, you can use alternatives like "goosebumps" for a more common term, or "horripilation" for a more formal or medical term.
What causes "piloerection"?
"Piloerection" can be triggered by various factors including cold temperatures, fear, strong emotions, or certain medical conditions. The underlying mechanism involves the contraction of tiny muscles at the base of each hair follicle.
Is "piloerection" the same as having chills?
While "piloerection" can accompany chills, they are not exactly the same. Chills often involve a sensation of coldness and shivering, whereas "piloerection" specifically refers to the erection of hairs due to muscle contraction, even if the sensation of cold is not present.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested