What does IO stand for?
IO stands for Individually Optimum
This definition appears rarely and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other definitions of IO
We have 16 other meanings of IO in our Acronym Attic
- Immigration Officer
- Immuno-Oncology (therapy)
- Imperial Order (gaming)
- In Organization (banking)
- Inboard Outboard (boat drive system)
- Independent Observations
- Index Origin
- Indian Ocean
- Indian Orchard (Springfield, MA)
- Indirect Object