In casual American English, "Acids and bases react to form salts and water" sounds like "A-suhdz and BAY-suhz ree-AKT tuh FORM SAHLTS and WAH-der". Several things happen here, and the headline one is the Silent T in Clusters: the T inside the consonant cluster drops out. Keep stressed words long, unstressed words short, and link the consonants forward into the vowels.
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What makes this sentence sound American.
In "salts", the "t" is squeezed between other consonants and drops out — the surrounding consonants flow together without it — most natural in flowing, casual speech; in careful or formal speech, the T may be lightly present. This is called the Silent T in Clusters, and it's one of the defining features of casual American English. It comes out as SAHLTS.
What's happening in this sentence.
Small tricks that turn a textbook sentence into how an American actually says it.
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Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
Pronouncing the T in a consonant cluster.
In "salts", the "t" is squeezed between other consonants and drops out — the surrounding consonants flow together without it — most natural in flowing, casual speech; in careful or formal speech, the T may be lightly present. /t/ is dropped entirely — the surrounding consonants flow together without the T.
Saying a hard "T" in the middle.
In "water", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. /t/ or /d/ becomes a quick tap [ɾ] — sounds like a soft D. The tongue briefly taps the ridge behind the upper teeth.
Pronouncing the vowel before M/N too pure.
In "and", the "a" vowel before M or N raises and fronts toward [eə] — the tongue pulls up and forward, breaking the vowel into a tense glide as it anticipates the nasal. The "/æ/" vowel raises and fronts before M or N — tongue pulls up and forward, producing a tense [eə] glide (between /e/ and /ə/). Not a pure /æ/.
Treating every L the same.
The L in "salts" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. Dark L adds a small schwa-like "uh" before the L. The back of the tongue lifts toward the soft palate.
Questions people ask about this.
Why do the T sounds turn into D-like sounds in this sentence?
Why is "and" said so quickly in this sentence?
How are the words connected in casual American speech?
Is this how the sentence is taught in textbooks?
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