Answer:
Breaking down the rest of the terms we get extremely small (ultramicroscopic) silicon (silico-) and volcanic (volcano-) dust (coni-) particles. Thus, pneumonoultramicroscopicsilicovolcanoconiosis is a disease of the lungs resulting from the inhalation of very fine silicate or quartz dust.
Answer:
Pneumono(Pneumonia)
Ultra
Microscopic
Silico(Silicon)
Volcano
Coniosis
Hope this helps!
