Pronunciation
How to pronounce “coastline”
“coastline” is pronounced /koʊstlaɪn/ — 2 syllables.
The sound
Say “coastline”
coastline
/koʊstlaɪn/
Say it right
2 syllables. Stress the 'koʊstl' part (say it longer and louder) and let the others relax — unstressed vowels often soften to a lazy /ə/.Meaning
the outline of a coast
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