cod‧ing AC /ˈkəʊdɪŋ $ ˈkoʊ-/ noun [uncountable]
[Word Family: noun: code, coding; verb: code; adjective: coded]
a system of marking something with letters, symbols etc so that facts about it can be understood by someone who knows the system:
Most petrol stations use colour coding for different types of petrol.
A coding system is used to record what is found and when.

[TahlilGaran] Dictionary of Contemporary English ▲