exhalation
C1Formal, Technical
Definition
Meaning
The process or action of breathing out; the release of air or vapor from the lungs.
A single breath out; the air or vapor that is breathed out. Figuratively, a light emission or release of something (e.g., a sigh, steam, a scent).
Linguistics
Semantic Notes
Often used in medical, scientific, or literary contexts. The figurative use suggests something gentle, gradual, and often intangible being released.
Dialectal Variation
British vs American Usage
Differences
No significant spelling or usage differences. The word is equally formal in both varieties.
Connotations
Similar connotations of breath, release, or emission. Slightly more common in British technical writing due to traditional spelling preferences for Latinate nouns ending in '-ation'.
Frequency
Low-frequency in everyday speech in both varieties, primarily found in written texts.
Vocabulary
Collocations
Grammar
Valency Patterns
[Subject] + verb + exhalation (e.g., The process involves exhalation)exhalation + of + [noun] (e.g., exhalation of carbon dioxide)[adjective] + exhalation (e.g., a controlled exhalation)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “A sigh is but an exhalation of the soul (literary).”
Usage
Context Usage
Business
Rarely used; might appear in reports on air quality or industrial emissions.
Academic
Common in biology, medicine, physiology, and environmental science texts.
Everyday
Uncommon; 'breathing out' or 'breath' is preferred.
Technical
Standard term in medical instruction (e.g., 'perform exhalation forcefully'), yoga, and diving.
Examples
By Part of Speech
verb
British English
- Please exhale slowly into the tube.
- The diver must exhale steadily during ascent.
American English
- Exhale completely before taking the next breath.
- He exhaled a cloud of vapor in the cold air.
adverb
British English
- The patient breathed out exhalatorily.
- (Rare usage)
American English
- He sighed exhalatorily, a sound of pure relief.
- (Rare usage)
adjective
British English
- The exhalatory phase of respiration is passive.
- Exhalatory muscles were engaged.
American English
- The exhalatory flow rate was measured.
- An exhalatory pause was noted.
Examples
By CEFR Level
- It is cold, and I can see my exhalation.
- Breathing has two parts: inhalation and exhalation.
- The doctor listened to my exhalation with a stethoscope.
- Yoga teaches you to control your exhalation.
- A long, slow exhalation can help to reduce stress.
- The machine analyses the chemical composition of each exhalation.
- The final exhalation of the dying volcano was a plume of ash.
- Her poem described sorrow as a silent exhalation into the night.
Learning
Memory Aids
Mnemonic
Think: EXHALation = EX-Hale. You EXhale when you breathe OUT.
Conceptual Metaphor
RELEASE IS EXHALATION (e.g., 'an exhalation of relief', 'the exhalation of steam from the vents').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calque from выдох in non-technical contexts; it sounds unnatural. Use 'breath' or 'breathing out' in everyday speech. Do not confuse with 'exhaustion' (истощение).
Common Mistakes
- Misspelling as 'exhalition' or 'exhaltation'. Confusing with 'exertion'. Using in casual conversation where simpler terms exist.
Practice
Quiz
In which context is 'exhalation' MOST appropriately used?
FAQ
Frequently Asked Questions
In medical/physiological contexts, they are synonyms. 'Expiration' is more strictly technical, while 'exhalation' can be used in both technical and slightly more literary contexts.
Yes, it can describe the gentle release or emission of something intangible, like 'an exhalation of regret' or 'the exhalation of warmth from the stones'.
No, it is a low-frequency, formal word. In everyday conversation, people say 'breathing out', 'breath', or just 'exhale' (the verb).
The stress is on the third syllable: ex-ha-LA-tion. The 'h' is pronounced. UK & US: /ˌeks.həˈleɪ.ʃən/.