ahk-suh-DAY-shuhn
/ˌɑksəˈdeɪʃən/
oxidation is pronounced ahk-suh-DAY-shuhn (/ˌɑksəˈdeɪʃən/). Oxidation is a chemical reaction where a substance loses electrons, often involving oxygen. It can also describe the process of rusting or browning when exposed to air. In broader terms, oxidation denotes any increase in oxidation state of a reactant and is a fundamental concept across chemistry and biology.
Oxidation is a chemical reaction where a substance loses electrons, often involving oxygen. It can also describe the process of rusting or browning when exposed to air. In broader terms, oxidation denotes any increase in oxidation state of a reactant and is a fundamental concept across chemistry and biology.
"The oxidation of iron leads to rust."
"Enzymatic oxidation plays a key role in cellular metabolism."
"We studied the oxidation state changes in the transition metal complex."
You say /ˌɒk.sɪˈdeɪ.ʃən/ in US and UK; the primary stress is on the third syllable ‘deɪ’. Break it into five sounds: /ˌɒk/ as ‘ock’ with a short o, /sɪ/ like ‘si’ in sit, /ˈdeɪ/ as ‘day,’ /ʃən/ like ‘shun’ with a schwa. If you’re unsure, say ‘ok-sih-DAY-shun’ with the middle syllable stressed. Audio reference: listen to standard dictionaries or pronunciation apps for the exact rhythm.
Common errors: misplacing stress (putting it on the first or second syllable), mispronouncing the ‘ox’ as /ɒks/ or blending /ks/ too strongly, and dropping the unstressed schwa in the final -tion. Correction: keep the primary stress on the third syllable /ˈdeɪ/, pronounce the first syllable quickly as /ˌɒk/ with a light /ɔ/ or /ɒ/ depending on accent, and finish with /ˈdeɪ.ʃən/ (the final /ən/ can be a clear schwa). Practice saying “ock-si-DAY-shun” in natural tempo.
In US, UK, and AU, the core /ɒ/ in the first syllable can be realized as /ɒ/ or /ɑ/ depending on speaker; the middle /ɪ/ is short, and the /eɪ/ in /deɪ/ is a tense diphthong. The main rhoticity difference is minimal here since /ɹ/ doesn’t appear in oxidation. Australians may use a slightly broader /ɒ/ and a crisper /ʃən/. Across all, the stress remains on the third syllable, but vowel quality can vary slightly with rhoticity and vowel length.
Three challenges: the triple-consonant cluster at the start /kˈsɪ/ can feel awkward in rapid speech; the stressed /ˈdeɪ/ portion requires a clear, tense diphthong; and the final /ʃən/ can be softened to /ʃn̩/ or reduced. Focus on a clean syllable boundary between /k/ and /s/ and maintain a strong but relaxed 'day' vowel for /deɪ/. Practice with slow tempo to avoid coalescing sounds.
Users often search for ‘how to say oxidation’ with emphasis on the syllable boundaries. A unique takeaway is the three-tier stress pattern: secondary stress on the initial /ˌɒk/ and primary stress on /ˈdeɪ/. Emphasize the middle syllable lightly and deliver the longer vowel /eɪ/ clearly to avoid blending into /ɒkɪˈdeɪʃən/ as a single word. This makes pronunciation more searchable and precise for learners.
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Oxidation derives from the Latinized form of the word ‘oxidize,’ from oxygen, which itself comes from the Latin oxygene (from Greek oxys ‘acid, sharp’ and genes ‘producer’). The concept entered chemistry in the late 18th century as oxygen’s role in rusting and burning was clarified by Lavoisier and others; oxidation originally described reactions involving oxygen as the oxidative agent. Historically the term broadened beyond oxygen to include any reaction where an atom’s oxidation state increases, particularly in redox chemistry where reduction and oxidation occur in tandem. The modern use covers biochemistry (enzyme-catalyzed oxidation), industrial chemistry (oxidation of hydrocarbons), and materials science (oxidation of metals). First known uses appear in late 18th to early 19th century chemical literature as the understanding of oxygen’s role grew and the terminology of oxidation states became standard in inorganic chemistry.
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Help others use "oxidation" correctly by contributing grammar tips, common mistakes, and context guidance.
💡 These words have similar meanings to "oxidation" and can often be used interchangeably.
🔄 These words have opposite meanings to "oxidation" and show contrast in usage.
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Words that rhyme with "oxidation"
-ion sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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