IPA: /ˈkrʌstɪnəs/
KK: /ˈkrʌstɪnəs/
The quality or condition of having a hard outer layer or crust.
The bread had a delightful crustiness that made it perfect for toasting.
Crustiness → It is formed from "crust" (from Latin *crusta*, meaning a hard outer layer or shell) and the suffix "-iness" (meaning the quality of being). The word "crustiness" refers to the quality of having a hard outer layer or being crusty.
Think of a hard outer layer ('crust') and how the '-iness' suffix indicates a quality. This helps you remember that 'crustiness' describes the quality of being crusty.