popcorn lung

== English == === Etymology === From popcorn +‎ lung. So called because an outbreak at a popcorn factory led to the recommendation of respiratory protection for all workers in microwave popcorn production. === Noun === popcorn lung (usually uncountable, plural popcorn lungs) (medicine, colloquial) (uncountable) Bronchiolitis obliterans. (countable, rare) A lung affected by bronchiolitis obliterans. ==== Coordinate terms ==== butanedione (the chemical that when inhaled causes popcorn lung) diacetyl (the chemical inhaled that causes popcorn lung) artificial butter flavour (the chemical inhaled that causes popcorn lung)