IO

Abbreviation of intraosseous.

Adjective

  1. Abbreviation of intraosseous.

Noun

  1. Initialism of input and output.

    Related: I/O

  2. Initialism of indirect object.
  3. Initialism of intelligence officer.
  4. Initialism of incident officer.
  5. Initialism of investigation officer.
  6. Initialism of international organization.

Forms

IOs