Sanakirja.org

Määritelmät

Substantiivi

1. (aviation) Initialism of first officer.
2. (logic, computer science) Initialism of first-order logic.
3. Initialism of fuel oil.

Huudahdus

1. (Internet slang, text messaging, vulgar) Initialism of fuck off.

Adjektiivi

1. (civil engineering) Initialism of functionally obsolete (no longer compliant with current standards or capable of handling current requirements)