bio-code

A biochemical signal or marker, especially one used for security purposes.

Security features now being incorporated by the company include bar codes, deliberate errors, special background designs, micro-printing, UV-recognition and the use of bio-codes.

The covert methods used to differentiate genuine products from fakes include special ink, bio-codes and bank-note-style design features recognizable to the legitimate drug manufacturers.

A signal consisting of a biological action.

Some of the sad, intriguing varieties-of this phenomenon which have been documented in Nigeria include: (i) Illegal exchange of information, written or verbal (for example, by copying or giraffing,' use of drums, flutes and bio-codes such as coughing, sneezing and whistling) to help candidates answer objective questions.

Muse willed the change, swallowing and carefully constricting the epiglottis in a series of timed bio-codes that had taken her a long time to master.

To mark using a bio-code.

A system marking fuel with a chemical (bio-coding) has been put in place as a way of reducing fuel smuggling into the country.

Kerosene is currently bio-coded and there are already penalties for such malpractices, but detecting the presence of kerosene in other oil products is difficult for the common person because it is colourless.