4 syllables: in, hal, a, tion. Stress on a.
in-uh-LAY-shuhn
/ɪnəˈleɪʃən/
inhalation is pronounced in-uh-LAY-shuhn (/ɪnəˈleɪʃən/). It has four syllables (in-hal-a-tion), with the stress on "a". Inhalation is the act or process of breathing air into the lungs. It involves the intake phase of respiration, typically produced by expanding the chest cavity and drawing air through the nose or mouth. The term is commonly used in medical, scientific, and physiological contexts to describe the first phase of ventilation.
Inhalation is the act or process of breathing air into the lungs. It involves the intake phase of respiration, typically produced by expanding the chest cavity and drawing air through the nose or mouth. The term is commonly used in medical, scientific, and physiological contexts to describe the first phase of ventilation.
"The doctor instructed the patient to slow the inhalation and examiner to note the cadence of the breaths."
"During exercise, proper inhalation techniques maximize oxygen intake."
"The inhalation of fine dust can irritate the lungs and airways."
Pronounce as /ˌɪn.həˈleɪ.ʃən/. Stress falls on the third syllable: in-ho-LAY-shən. Start with /ˌɪn/ (short i as in “in”), then /hə/ with a schwa, then /ˈleɪ/ (like “lay”), finishing with /ʃən/ (shun). Think: in-huh-LAY-shun. For audio reference, listen to medical pronunciation resources or dictionary audio for inhalation to match the three-syllable flow. Mouth positions: tip of the tongue lightly raises toward the alveolar ridge for /n/, then a relaxed /h/, then a mid-open /eɪ/ plus /ʃ/ for the “sh” sound before a reduced /ən/.
Two common errors: misplacing the stress (putting emphasis on the first or second syllable instead of the third), and running the /ˈleɪ/ with a quick, clipped /leɪ/ without proper /ə/ before it. Correction: practice the sequence in three beats: /ˌɪn/ + /hə/ + /ˈleɪ/ + /ʃən/. Use a light schwa after /h/ and ensure the /ɪ/ in the first syllable is short. Record and compare with dictionary audio to confirm the rhythm and stress.
US/UK/AU share the overall /ˌɪn.həˈleɪ.ʃən/ shape, but small differences appear: US tends to vowel-reduce the unstressed syllables more aggressively and sometimes flattens /ɪ/ to a near-short /ɪ/; UK often preserves crisper vowels and a slightly stronger /æ/ in certain speakers; AU follows rhotic tendencies similar to US but with a more flattened /ɜː/ in some accents and a lighter /t/ or /d/ cluster in related words. The primary stress remains on the /ˈleɪ/ syllable in all. Listen to regional dictionary pronunciations for nuances.
The difficulty comes from the multi-syllabic structure and the /ˌɪn.həˈleɪ.ʃən/ rhythm, especially the unstressed /hə/ and the /ˈleɪ/ that contains a diphthong /eɪ/. You must coordinate the alveolar nasal /n/ with a smooth /h/ and a clear /ɪ/ followed by a precise /lə/ sequence before the stressed /eɪ/ and final /ʃən/. Focus on keeping the mouth relaxed for the schwa, then widen to the diphthong for /leɪ/. IPA reference helps anchor the exact movements.
A distinctive feature is the optional linking between /n/ and /h/ when spoken quickly, creating a subtle /n.hə/ sequence. Another notable aspect is the emphasis on the /leɪ/ syllable with a clear, steady vowel transition from /ə/ to /eɪ/. In careful speech, you’ll hear a precise progression: /ˌɪn/ + /hə/ + /ˈleɪ/ + /ʃən/. Practicing the three primary sounds in sequence helps ensure clarity in clinical or academic contexts.
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Inhalation comes from the Latin inhālātio, formed from in- (into) + hālāre (to breathe, blow). The root hālāre traces to Latin hālō, meaning to breathe or to draw air. The -tion suffix turns the verb into a noun indicating the act or process. The English adoption of inhalation began in Middle English, with early medical writers borrowing the term from Latin via the scholastic and scientific traditions of the 16th–18th centuries. Throughout its development, the word retained a precise physiological sense: the act of drawing air into the lungs during respiration. In modern usage, inhalation is standard in medical, pharmacological, and scientific discourse, often contrasted with exhalation. The pronunciation has remained relatively stable, with primary stress on the third syllable in inhalation (in-hay-LAY-shən in some pronunciations) depending on dialect, aligning with other -ation nouns that derive from verbs of action. First known use in English appears in the 17th century medical texts, reflecting the period’s advancement in understanding respiratory mechanics and clinical terminology.
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💡 These words have similar meanings to "inhalation" and can often be used interchangeably.
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Words that rhyme with "inhalation"
-ion sounds
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