non invertible

/nɑnɪnˈvɜrtəbəl/
adjective
  1. Not able to be reversed, turned upside down, or changed into the opposite form.
    • Some chemical reactions are non-invertible and cannot be undone.
    • The function is non-invertible because it is not one-to-one.
    • In math class, we learned that a matrix with a determinant of zero is non-invertible.
Synonyms
What does "non invertible" mean? | whatsthatwordmean | whatsthatwordmean