bio-code meaning: definition, quotations

bio-code

noun

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.1998, Apparel International: The Journal of the Clothing and Footwear:
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.2002, Far Eastern Economic Review - Volume 165, page 38:

1 more example

Someone will eventually figure out the secrets of Orson's vision. But no one will be able to reproduce it. He's made sure of that with the bio-codes and micro-bio-infusers.2004, Valerie Connelly, Sidetracks, →ISBN, page 183:

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.1997, The Calabar Counsellor - Volume 1, Issue 1, page 16:
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.2011, Gabriel S. de Anda, Scissors, Rock and Paper Doll, →ISBN:

verb

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.2000, Uganda Parliament, Parliamentary Debates (Hansard):
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.2005, Kenya. Ministry of Planning and National Development, United Nations Development Programme (Kenya), Millennium development goals in Kenya: needs & costs, page 175:

2 more examples

He could ensure the door remained closed; that bit was easy. It was bio-coded and would respond only to him, but there was no way to ensure that she wouldn't yell and scream.2013, Shiv Ramdas, Domechild, →ISBN:
It wasn't even bio-coded, anyone could use it!2015, Peter Öberg, Hans Olsson, Boel Bermann, Waiting for the Machines to Fall Asleep, →ISBN: