codex
co·dex
noun \ˈkō-ˌdeks\plural ; co·di·ces \ˈkōd-ə-ˌsēz, ˈkäd-\ (audio pronunciation) (audio pronunciation)
Definition of CODEX
: an official or standard collection of drug formulas and descriptions <a codex similar to the British Pharmaceutical Codex>
Learn More About
Seen & Heard 
What made you want to look up codex? Please tell us where you read or heard it (including the quote, if possible).
