Bi-fluorescence

A component in a mixture (such as ink) that provides two distinctive emission spectra when excited by two different wavelengths.

Banderol(e) (tax)

A band or tape used as a closure to seal or provide tamper resistance. A banderol(e) is another name for a tax stamp, usually referring to the long stamp placed over the neck of alcohol bottles.

Barcode

A method of representing data in a visual, machine-readable form.