pneumonoultramicroscopicsilicovolcanoconiosis



It is defined by the Oxford English Dictionary as "a factitious word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust' but occurring chiefly as an instance of a very long word."

مرض يصيب الرئة نتيجة أستنشاق نوع من الأتربة

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