IPA: /ˈrʌdɪnəs/
KK: /ˈrʌdɪnɪs/
The quality of having a reddish color, often associated with good health or a rosy complexion.
Her cheeks had a lovely ruddiness that made her look vibrant and healthy.
Ruddiness → It is formed from "ruddy" (from Old English *ruddig*, meaning having a red color) and "-ness" (meaning the state or quality of). The word "ruddiness" refers to the quality of being red or having a reddish hue.
Think of the word 'ruddy' which means red, and remember that 'ruddiness' describes the quality of being red.