barcode
n.— «Several years ago researchers created probes consisting of nanoscale bars of metal actually etched with conventional bar codes. Since then, most molecular tagging devices have been referred to as “barcodes,” even though there are no bars involved.» —“Synthetic DNA ‘barcodes’ tag pathogens, provide an inexpensive, off-the-shelf monitoring system” by Cornell University News Service Medical News Today June 14, 2005. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...