Used on

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
U/O
Pronunciation
/juzd ɔn/
Category
Governmental
Related Field
NASA

Examples in Context

  1. A system of forced labour was used on the cocoa plantations.
  2. Electric whisks should be used on a slow speed.
  3. This word is seldom used on ordinary occasions.
  4. They will also be used on factory floors to weld things together
  5. Today, quartz crystal clocks are generally used on the seismograph stations.

Other meanings of U/O

Under Observation for .... Medical