from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A drug, C23H14Na2O11, usually administered by inhalation and used to prevent certain allergic attacks, especially those associated with asthma or hay fever.
Alteration of chromonyl, one of its constituents (chrom(o)- + -on(e) + -yl) + sodium.(American Heritage® Dictionary of the English Language, Fourth Edition)
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