bio-codes

Noun

bio-code (plural bio-codes)

1. 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
2. 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...1997, The Calabar Counsellor - Volume 1, Issue 1, page 16

See all 3 meanings of bio-code