18-Syllable Words in English (GB)

Pneumonoultramicroscopicsilicovolcanoconosis is a highly complex English noun syllabified according to standard V-C, C-C-V, and Dip-C rules. It features primary stress on the fourth and penultimate syllables. Its morphemic structure reveals Greek and Latin origins relating to lung disease caused by dust inhalation. The word's length is its most notable feature, but its syllabification follows predictable patterns.