Ustinov
/uːˈstiːnɒf
/ Former name (1984–7) for Izhevsk.
- proof-maker
- proof-mark
- proof of concept
- proof of purchase
- proof page
- proof piece
- proof plane
- proof-plug
- proof positive
- proof-press
- proofread
- proofreader
- proof sheet
- proof sleigh
- proof slip
- proof spirit
- proof staff
- proof stick
- proof strain
- proof stress
- proof text
- proof-texting
- proof-theoretic
- proof-theoretically
- proof theory