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Like Italian (l'industria), French elides the feminine definite article final A (the A is not pronounced and replaced by an apostrophe).
*La industrie → L'industrie
*La âme → L'âme
*La amie → L'amie
*La eau → L'eau
If the word starts with an H, the elision is done when the it is muet (muted, silent).
Examples of H muet:
L'horreur
L'huile
L'humeur
L'...
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