WordReference Random House Unabridged Dictionary of American English © 2026
acr-,
- var. of acro- before a vowel:acronym.
'acr-' also found in these entries (note: many are not synonyms or translations):
acraldehyde
- acrid
- acro-
- acrodont
- acrolein
- acronym
- acrylic
- agarita
- carvacrol
- quinacrine