ODE may refer to: Ordinary differential equation, a mathematical concept Open Dynamics Engine, a real-time physics engine Omicron Delta Epsilon, an international honor society in the field of economics Apache ODE, a web-services orchestration engine from the Apache Software Foundation 1-octadecene Objective Documented Evidence: gathered as a proof of a circumstance being true - for example as in Quality Audits - findings of a non-conformance… (More on Ode)