Meaning of tunnuskirjain | Babel Free
/ˈtunːusˌkirjɑi̯n/Määritelmät
identification letter (a letter of the alphabet used to identify something)
CEFR-taso
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.