Contact Hours

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
CH
Pronunciation
/ˈkɑnˌtækt aʊərz/
Category
Miscellaneous
Related Field
Unit Measures

Examples in Context

  1. Take this perspective : your end users might occupy a plurality of their " contact hours " with your program viewing its error messages.
  2. When the material-cells direct contact for 48 hours, the cell growth rate, was evaluated at 2 hours and 4 days after removing samples. Meanwhile, the morphological observations ( microscope and SEM ) and quantitative anslysis of extract metal ions were taken.
  3. Try not to contact them after work hours unless it's asked of you
  4. Sideswipe surveyed the area, until we lost contact with him four Earth hours ago.
  5. The school likes to have a contact number for parents during school hours.

Other meanings of CH